About this route:

A direct, nonstop flight between Lyudao Airport (Green Island Airport) (GNI), Lyudao (Green Island), Taiwan and Ketchikan International Airport (KTN), Ketchikan, Alaska, United States would travel a Great Circle distance of 5,561 miles (or 8,949 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Lyudao Airport (Green Island Airport) and Ketchikan International Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Lyudao Airport (Green Island Airport) and Ketchikan International Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

IATA / ICAO Codes: GNI / RCGI
Airport Names:
  1. Lyudao Airport (Green Island Airport)
  2. 綠島航空站綠島機場
  3. Lǜdǎo HángkōngzhànLǜdǎo Jīchǎng
Location: Lyudao (Green Island), Taiwan
GPS Coordinates: 22°40'24"N by 121°27'59"E
Area Served: Lyudao (Green Island), Taiwan
Operator/Owner: Civil Aeronautics Administration
Airport Type: Public
Elevation: 28 feet (9 meters)
# of Runways: 1
View all routes: Routes from GNI
More Information: GNI Maps & Info

Arrival Airport Information:

IATA / ICAO Codes: KTN / PAKT
Airport Name: Ketchikan International Airport
Location: Ketchikan, Alaska, United States
GPS Coordinates: 55°21'15"N by 131°42'39"W
Area Served: Ketchikan, Alaska
Operator/Owner: State of Alaska DOT&PF – Southeastern Region
Airport Type: Public
Elevation: 89 feet (27 meters)
# of Runways: 2
View all routes: Routes from KTN
More Information: KTN Maps & Info

Facts about Lyudao Airport (Green Island Airport) (GNI):

  • Because of Lyudao Airport (Green Island Airport)'s relatively low elevation of 28 feet, planes can take off or land at Lyudao Airport (Green Island Airport) at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • The closest airport to Lyudao Airport (Green Island Airport) (GNI) is Taitung Airport (TTT), which is located 24 miles (38 kilometers) WNW of GNI.
  • In addition to being known as "Lyudao Airport (Green Island Airport)", other names for GNI include "綠島航空站綠島機場" and "Lǜdǎo HángkōngzhànLǜdǎo Jīchǎng".
  • Lyudao Airport (Green Island Airport) (GNI) currently has only 1 runway.
  • The furthest airport from Lyudao Airport (Green Island Airport) (GNI) is Dr. Luis María Argaña International Airport (ESG), which is nearly antipodal to Lyudao Airport (Green Island Airport) (meaning Lyudao Airport (Green Island Airport) is almost on the exact opposite side of the Earth from Dr. Luis María Argaña International Airport), and is located 12,296 miles (19,789 kilometers) away in Mariscal Estigarribia, Paraguay.

Facts about Ketchikan International Airport (KTN):

  • As per Federal Aviation Administration records, the airport had 108,837 passenger boardings in calendar year 2008, 96,996 enplanements in 2009, and 100,138 in 2010.
  • The closest airport to Ketchikan International Airport (KTN) is Ketchikan Harbor Seaplane Base (WFB), which is located only 2 miles (3 kilometers) ESE of KTN.
  • Because of Ketchikan International Airport's relatively low elevation of 89 feet, planes can take off or land at Ketchikan International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • The furthest airport from Ketchikan International Airport (KTN) is Port Alfred Airport (AFD), which is located 10,613 miles (17,081 kilometers) away in Port Alfred, South Africa.
  • Ketchikan International Airport (KTN) has 2 runways.
  • In 2004, a new taxiway "Bravo" was added to facilitate taxiing to the end of the frequently used runway 11 higher than the apron further up the hillside, requiring long, gently sloped taxiways to either end).

Map of Nearest Airports to Lyudao Airport (Green Island Airport):

List of Nearest Airports to Lyudao Airport (Green Island Airport):

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
123.91 miles (38.48 km) WNWTaitung Airport (TTT)Taitung, Taiwan, Republic of ChinaView Taitung Airport on a map Set TTT as origin Airport Set TTT as destination Airport Get more information about Taitung Airport
244.68 miles (71.90 km) SLanyu Airport (KYD)Orchid Island, Taitung County, TaiwanView Lanyu Airport on a map Set KYD as origin Airport Set KYD as destination Airport Get more information about Lanyu Airport
364.35 miles (103.56 km) SWHengchun Airport (HCN)Hengchun, TaiwanView Hengchun Airport on a map Set HCN as origin Airport Set HCN as destination Airport Get more information about Hengchun Airport
471.51 miles (115.09 km) WKaohsiung International Airport (Kaohsiung Siaogang Airport) (KHH)Kaohsiung, TaiwanView Kaohsiung International Airport (Kaohsiung Siaogang Airport) on a map Set KHH as origin Airport Set KHH as destination Airport Get more information about Kaohsiung International Airport (Kaohsiung Siaogang Airport)
582.54 miles (132.84 km) WNWTainan Airport (TNN)Tainan City, Taiwan, Republic of ChinaView Tainan Airport on a map Set TNN as origin Airport Set TNN as destination Airport Get more information about Tainan Airport
686.76 miles (139.63 km) NWChiayi Airport (Shueishang Airport) (CYI)Chiayi, TaiwanView Chiayi Airport (Shueishang Airport) on a map Set CYI as origin Airport Set CYI as destination Airport Get more information about Chiayi Airport (Shueishang Airport)
793.73 miles (150.85 km) NHualien Airport (HUN)Hualien, Taiwan, Republic of ChinaView Hualien Airport on a map Set HUN as origin Airport Set HUN as destination Airport Get more information about Hualien Airport
8122.30 miles (196.83 km) NNWTaichung Airport(Taichung Ching Chuan Kang Airport) (RMQ)Taichung, Taiwan, TaiwanView Taichung Airport(Taichung Ching Chuan Kang Airport) on a map Set RMQ as origin Airport Set RMQ as destination Airport Get more information about Taichung Airport(Taichung Ching Chuan Kang Airport)
9122.30 miles (196.83 km) NNWTaichung Airport(Taichung Ching Chuan Kang Airport) (TXG)Taichung, Taiwan, Republic of ChinaView Taichung Airport(Taichung Ching Chuan Kang Airport) on a map Set TXG as origin Airport Set TXG as destination Airport Get more information about Taichung Airport(Taichung Ching Chuan Kang Airport)
10132.00 miles (212.43 km) WNWMagong Airport (MZG)Magong, TaiwanView Magong Airport on a map Set MZG as origin Airport Set MZG as destination Airport Get more information about Magong Airport
11133.90 miles (215.49 km) WNWWang-an Airport (WOT)Wang-an, Penghu (Pescadores), Republic of ChinaView Wang-an Airport on a map Set WOT as origin Airport Set WOT as destination Airport Get more information about Wang-an Airport
12135.59 miles (218.21 km) WNWQimei Airport (CMJ)Cimei, TaiwanView Qimei Airport on a map Set CMJ as origin Airport Set CMJ as destination Airport Get more information about Qimei Airport
13156.67 miles (252.14 km) NEYonaguni Airport (OGN)Yonaguni, Okinawa, JapanView Yonaguni Airport on a map Set OGN as origin Airport Set OGN as destination Airport Get more information about Yonaguni Airport
14157.05 miles (252.74 km) SSEBasco Airport (BSO)Basco, Batanes, PhilippinesView Basco Airport on a map Set BSO as origin Airport Set BSO as destination Airport Get more information about Basco Airport
15165.62 miles (266.54 km) NTaipei International Airport (Taipei Songshan Airport) (TSA)Taipei City, Taiwan, Republic of ChinaView Taipei International Airport (Taipei Songshan Airport) on a map Set TSA as origin Airport Set TSA as destination Airport Get more information about Taipei International Airport (Taipei Songshan Airport)

Map of Furthest Airports from Lyudao Airport (Green Island Airport):

List of Furthest Airports from Lyudao Airport (Green Island Airport):

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
112,296.48 miles (19,789.22 km) ESEDr. Luis María Argaña International Airport (ESG)Mariscal Estigarribia, ParaguayView Dr. Luis María Argaña International Airport on a map Set ESG as origin Airport Set ESG as destination Airport Get more information about Dr. Luis María Argaña International Airport
212,264.38 miles (19,737.56 km) WDr. Augusto Roberto Fuster International Airport (PJC)Pedro Juan Caballero, ParaguayView Dr. Augusto Roberto Fuster International Airport on a map Set PJC as origin Airport Set PJC as destination Airport Get more information about Dr. Augusto Roberto Fuster International Airport
312,256.02 miles (19,724.11 km) WPonta Porã International Airport (PMG)Ponta Porã, Mato Grosso do Sul, BrazilView Ponta Porã International Airport on a map Set PMG as origin Airport Set PMG as destination Airport Get more information about Ponta Porã International Airport
412,248.28 miles (19,711.65 km) SSWSilvio Pettirossi International Airport (ASU)Asunción, ParaguayView Silvio Pettirossi International Airport on a map Set ASU as origin Airport Set ASU as destination Airport Get more information about Silvio Pettirossi International Airport
512,248.14 miles (19,711.43 km) SSWClorinda Airport (CLX)Clorinda, Formosa, ArgentinaView Clorinda Airport on a map Set CLX as origin Airport Set CLX as destination Airport Get more information about Clorinda Airport
612,204.08 miles (19,640.51 km) WFrancisco de Matos Pereira Airport (DOU)Dourados, Minas Gerais, BrazilView Francisco de Matos Pereira Airport on a map Set DOU as origin Airport Set DOU as destination Airport Get more information about Francisco de Matos Pereira Airport
712,191.51 miles (19,620.29 km) SFormosa International Airport (FMA)Formosa, ArgentinaView Formosa International Airport on a map Set FMA as origin Airport Set FMA as destination Airport Get more information about Formosa International Airport
812,177.75 miles (19,598.14 km) SSWCorumbá International Airport (CMG)Corumbá, Mato Grosso do Sul, BrazilView Corumbá International Airport on a map Set CMG as origin Airport Set CMG as destination Airport Get more information about Corumbá International Airport
912,177.15 miles (19,597.18 km) SPuerto Suárez International Airport (PSZ)Puerto Suárez, BoliviaView Puerto Suárez International Airport on a map Set PSZ as origin Airport Set PSZ as destination Airport Get more information about Puerto Suárez International Airport
1012,145.75 miles (19,546.65 km) SCarlos Miguel Jiménez Airport (PIL)Pilar, ParaguayView Carlos Miguel Jiménez Airport on a map Set PIL as origin Airport Set PIL as destination Airport Get more information about Carlos Miguel Jiménez Airport
1112,145.60 miles (19,546.39 km) WSWCampo Grande International Airport (CGR)Campo Grande, Mato Grosso do Sul, BrazilView Campo Grande International Airport on a map Set CGR as origin Airport Set CGR as destination Airport Get more information about Campo Grande International Airport
1212,144.59 miles (19,544.78 km) WSWGuaíra Municipal Airport (QGA)Guaíra, Paraná, BrazilView Guaíra Municipal Airport on a map Set QGA as origin Airport Set QGA as destination Airport Get more information about Guaíra Municipal Airport
1312,134.94 miles (19,529.24 km) SWGuaraní International Airport (AGT)Ciudad del Este, ParaguayView Guaraní International Airport on a map Set AGT as origin Airport Set AGT as destination Airport Get more information about Guaraní International Airport
1412,111.18 miles (19,491.00 km) SWFoz do Iguaçu/Cataratas International Airport (IGU)Foz do Iguaçu, Paraná, BrazilView Foz do Iguaçu/Cataratas International Airport on a map Set IGU as origin Airport Set IGU as destination Airport Get more information about Foz do Iguaçu/Cataratas International Airport
1512,106.54 miles (19,483.54 km) SDoctor Fernando Piragine Niveyro International Airport (CNQ)Corrientes, Corrientes, ArgentinaView Doctor Fernando Piragine Niveyro International Airport on a map Set CNQ as origin Airport Set CNQ as destination Airport Get more information about Doctor Fernando Piragine Niveyro International Airport

Map of Nearest Airports to Ketchikan International Airport:

List of Nearest Airports to Ketchikan International Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
11.99 miles (3.21 km) ESEKetchikan Harbor Seaplane Base (WFB)Ketchikan, Alaska, United StatesView Ketchikan Harbor Seaplane Base on a map Set WFB as destination Airport Set WFB as destination Airport Get more information about Ketchikan Harbor Seaplane Base
216.28 miles (26.20 km) SSEMetlakatla Seaplane Base (MTM)Metlakatla, Annette Island, Alaska, United StatesView Metlakatla Seaplane Base on a map Set MTM as destination Airport Set MTM as destination Airport Get more information about Metlakatla Seaplane Base
322.22 miles (35.76 km) SSEAnnette Island Airport (ANN)Annette Island, Alaska, United StatesView Annette Island Airport on a map Set ANN as destination Airport Set ANN as destination Airport Get more information about Annette Island Airport
437.00 miles (59.55 km) WNWHollis Clark Bay Seaplane Base (HYL)Hollis, Alaska, United StatesView Hollis Clark Bay Seaplane Base on a map Set HYL as destination Airport Set HYL as destination Airport Get more information about Hollis Clark Bay Seaplane Base
539.68 miles (63.87 km) NWThorne Bay Seaplane Base (KTB)Thorne Bay, Alaska, United StatesView Thorne Bay Seaplane Base on a map Set KTB as destination Airport Set KTB as destination Airport Get more information about Thorne Bay Seaplane Base
645.14 miles (72.64 km) WSWHydaburg Seaplane Base (HYG)Hydaburg, Alaska, United StatesView Hydaburg Seaplane Base on a map Set HYG as destination Airport Set HYG as destination Airport Get more information about Hydaburg Seaplane Base
755.68 miles (89.60 km) WNWKlawock Airport (KLW)Klawock, Alaska, United StatesView Klawock Airport on a map Set KLW as destination Airport Set KLW as destination Airport Get more information about Klawock Airport
857.00 miles (91.73 km) WCraig Seaplane Base (CGA)Craig, Alaska, United StatesView Craig Seaplane Base on a map Set CGA as destination Airport Set CGA as destination Airport Get more information about Craig Seaplane Base
960.36 miles (97.14 km) WWaterfall Seaplane Base (KWF)Waterfall, Alaska, United StatesView Waterfall Seaplane Base on a map Set KWF as destination Airport Set KWF as destination Airport Get more information about Waterfall Seaplane Base
1063.21 miles (101.73 km) NWCoffman Cove Seaplane Base (KCC)Coffman Cove, Alaska, United StatesView Coffman Cove Seaplane Base on a map Set KCC as destination Airport Set KCC as destination Airport Get more information about Coffman Cove Seaplane Base
1168.39 miles (110.06 km) WNWNaukati Bay Seaplane Base (WNC)Tuxekan Island, Alaska, United StatesView Naukati Bay Seaplane Base on a map Set WNC as destination Airport Set WNC as destination Airport Get more information about Naukati Bay Seaplane Base
1274.77 miles (120.33 km) WNWTokeen Seaplane Base (TKI)Tokeen, Alaska, United StatesView Tokeen Seaplane Base on a map Set TKI as destination Airport Set TKI as destination Airport Get more information about Tokeen Seaplane Base
1376.05 miles (122.39 km) NWNorth Whale Seaplane Base (WWP)North Whale Pass, Alaska, United StatesView North Whale Seaplane Base on a map Set WWP as destination Airport Set WWP as destination Airport Get more information about North Whale Seaplane Base
1476.55 miles (123.19 km) ENEHyder Seaplane Base (WHD)Hyder, Alaska, United StatesView Hyder Seaplane Base on a map Set WHD as destination Airport Set WHD as destination Airport Get more information about Hyder Seaplane Base
1578.35 miles (126.10 km) ENEStewart Aerodrome (ZST)Stewart, British Columbia, CanadaView Stewart Aerodrome on a map Set ZST as destination Airport Set ZST as destination Airport Get more information about Stewart Aerodrome

Map of Furthest Airports from Ketchikan International Airport:

List of Furthest Airports from Ketchikan International Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110,613.47 miles (17,080.68 km) SEPort Alfred Airport (AFD)Port Alfred, South AfricaView Port Alfred Airport on a map Set AFD as destination Airport Set AFD as destination Airport Get more information about Port Alfred Airport
210,606.37 miles (17,069.25 km) SEEast London Airport (ELS)East London, South AfricaView East London Airport on a map Set ELS as destination Airport Set ELS as destination Airport Get more information about East London Airport
310,604.66 miles (17,066.50 km) SEPort Elizabeth International Airport (PLZ)Port Elizabeth, South AfricaView Port Elizabeth International Airport on a map Set PLZ as destination Airport Set PLZ as destination Airport Get more information about Port Elizabeth International Airport
410,534.87 miles (16,954.19 km) SEMthatha Airport (UTT)Mthatha, South AfricaView Mthatha Airport on a map Set UTT as destination Airport Set UTT as destination Airport Get more information about Mthatha Airport
510,530.27 miles (16,946.79 km) SEMargate Airport (MGH)Margate, KwaZulu-Natal, South AfricaView Margate Airport on a map Set MGH as destination Airport Set MGH as destination Airport Get more information about Margate Airport
610,511.29 miles (16,916.24 km) SEGeorge Airport (GRJ)George, South AfricaView George Airport on a map Set GRJ as destination Airport Set GRJ as destination Airport Get more information about George Airport
710,467.00 miles (16,844.96 km) SSEKing Shaka International (DUR)Durban, KwaZulu-Natal, South AfricaView King Shaka International on a map Set DUR as destination Airport Set DUR as destination Airport Get more information about King Shaka International
810,453.68 miles (16,823.52 km) SEPietermaritzburg Airport (PZB)Pietermaritzburg, South AfricaView Pietermaritzburg Airport on a map Set PZB as destination Airport Set PZB as destination Airport Get more information about Pietermaritzburg Airport
910,430.20 miles (16,785.74 km) SSERichards Bay Airport (RCB)Richards Bay, KwaZulu-Natal, South AfricaView Richards Bay Airport on a map Set RCB as destination Airport Set RCB as destination Airport Get more information about Richards Bay Airport
1010,429.71 miles (16,784.96 km) SELebakeng Airport (LEF)Lebakeng, LesothoView Lebakeng Airport on a map Set LEF as destination Airport Set LEF as destination Airport Get more information about Lebakeng Airport
1110,414.06 miles (16,759.76 km) SELesobeng Airport (LES)Lesobeng, LesothoView Lesobeng Airport on a map Set LES as destination Airport Set LES as destination Airport Get more information about Lesobeng Airport
1210,412.20 miles (16,756.77 km) SESemonkong Airport (SOK)Semonkong, LesothoView Semonkong Airport on a map Set SOK as destination Airport Set SOK as destination Airport Get more information about Semonkong Airport
1310,400.60 miles (16,738.10 km) SEMokhotlong Airport (MKH)Mokhotlong, LesothoView Mokhotlong Airport on a map Set MKH as destination Airport Set MKH as destination Airport Get more information about Mokhotlong Airport
1410,389.89 miles (16,720.87 km) SEMafeteng Airport (MFC)Mafeteng, LesothoView Mafeteng Airport on a map Set MFC as destination Airport Set MFC as destination Airport Get more information about Mafeteng Airport
1510,389.67 miles (16,720.51 km) SECape Town International Airport (CPT)Cape Town, South AfricaView Cape Town International Airport on a map Set CPT as destination Airport Set CPT as destination Airport Get more information about Cape Town International Airport