About this route:

A direct, nonstop flight between Twin Hills Airport (TWA), Twin Hills, Alaska, United States and Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States would travel a Great Circle distance of 2,360 miles (or 3,798 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 relatively short distance between Twin Hills Airport and Sidney-Richland Municipal Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

IATA / ICAO Codes: TWA /
Airport Names:
  1. Twin Hills Airport
  2. A63
Location: Twin Hills, Alaska, United States
GPS Coordinates: 59°4'27"N by 160°16'30"W
Area Served: Twin Hills, Alaska
Operator/Owner: State of Alaska DOT&PF - Central Region
Airport Type: Public
Elevation: 82 feet (25 meters)
# of Runways: 1
View all routes: Routes from TWA
More Information: TWA Maps & Info

Arrival Airport Information:

IATA / ICAO Codes: SDY / KSDY
Airport Name: Sidney-Richland Municipal Airport
Location: Sidney, Montana, United States
GPS Coordinates: 47°42'24"N by 104°11'32"W
Area Served: Sidney, Montana
Operator/Owner: Sidney Richland Airport Authority
Airport Type: Public
Elevation: 1985 feet (605 meters)
# of Runways: 2
View all routes: Routes from SDY
More Information: SDY Maps & Info

Facts about Twin Hills Airport (TWA):

  • As per Federal Aviation Administration records, this airport had 395 commercial passenger boardings in calendar year 2008, a decrease of 23% from the 510 enplanements in 2007.
  • In addition to being known as "Twin Hills Airport", another name for TWA is "A63".
  • The furthest airport from Twin Hills Airport (TWA) is Cape Town International Airport (CPT), which is located 10,701 miles (17,222 kilometers) away in Cape Town, South Africa.
  • The closest airport to Twin Hills Airport (TWA) is Togiak Airport (TOG), which is located only 5 miles (7 kilometers) WSW of TWA.
  • Because of Twin Hills Airport's relatively low elevation of 82 feet, planes can take off or land at Twin Hills 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.
  • Twin Hills Airport (TWA) currently has only 1 runway.

Facts about Sidney-Richland Municipal Airport (SDY):

  • Sidney-Richland Municipal Airport (SDY) has 2 runways.
  • The closest airport to Sidney-Richland Municipal Airport (SDY) is Sloulin Field International Airport (ISN), which is located 41 miles (67 kilometers) NE of SDY.
  • Sidney-Richland Municipal Airport is a public use airport located one nautical mile west of the central business district of Sidney, a city in Richland County, Montana, United States.
  • The furthest airport from Sidney-Richland Municipal Airport (SDY) is Sir Gaëtan Duval Airport (RRG), which is located 10,383 miles (16,711 kilometers) away in Rodrigues Island, Mauritius.
  • Scheduled air service temporarily ceased on March 8, 2008, when Big Sky Airlines ended operations in bankruptcy.

Map of Nearest Airports to Twin Hills Airport:

List of Nearest Airports to Twin Hills Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
14.56 miles (7.35 km) WSWTogiak Airport (TOG)Togiak Village, Alaska, United StatesView Togiak Airport on a map Set TOG as origin Airport Set TOG as destination Airport Get more information about Togiak Airport
243.99 miles (70.80 km) EManokotak Airport (KMO)Manokotak, Alaska, United StatesView Manokotak Airport on a map Set KMO as origin Airport Set KMO as destination Airport Get more information about Manokotak Airport
346.32 miles (74.54 km) WGoodnews Airport (GNU)Goodnews, Alaska, United StatesView Goodnews Airport on a map Set GNU as origin Airport Set GNU as destination Airport Get more information about Goodnews Airport
455.06 miles (88.61 km) WPlatinum Airport (PTU)Platinum, Alaska, United StatesView Platinum Airport on a map Set PTU as origin Airport Set PTU as destination Airport Get more information about Platinum Airport
560.40 miles (97.21 km) ENEAleknagik Airport (WKK)Aleknagik, Alaska, United StatesView Aleknagik Airport on a map Set WKK as origin Airport Set WKK as destination Airport Get more information about Aleknagik Airport
662.89 miles (101.21 km) EDillingham Airport (DLG)Dillingham, Alaska, United StatesView Dillingham Airport on a map Set DLG as origin Airport Set DLG as destination Airport Get more information about Dillingham Airport
764.39 miles (103.62 km) ESEClarks Point Airport (CLP)Clarks Point, Alaska, United StatesView Clarks Point Airport on a map Set CLP as origin Airport Set CLP as destination Airport Get more information about Clarks Point Airport
870.39 miles (113.28 km) WSWCape Newenham LRRS Airport (EHM)Cape Newenham, Alaska, United StatesView Cape Newenham LRRS Airport on a map Set EHM as origin Airport Set EHM as destination Airport Get more information about Cape Newenham LRRS Airport
972.51 miles (116.70 km) NWQuinhagak Airport (KWN)Quinhagak, Alaska, United StatesView Quinhagak Airport on a map Set KWN as origin Airport Set KWN as destination Airport Get more information about Quinhagak Airport
1091.99 miles (148.05 km) EPortage Creek Airport (PCA)Portage Creek, Alaska, United StatesView Portage Creek Airport on a map Set PCA as origin Airport Set PCA as destination Airport Get more information about Portage Creek Airport
11100.04 miles (161.00 km) NWEek Airport (EEK)Eek, Alaska, United StatesView Eek Airport on a map Set EEK as origin Airport Set EEK as destination Airport Get more information about Eek Airport
12100.98 miles (162.52 km) ENEEkwok Airport (KEK)Ekwok, Alaska, United StatesView Ekwok Airport on a map Set KEK as origin Airport Set KEK as destination Airport Get more information about Ekwok Airport
13105.73 miles (170.16 km) ENENew Stuyahok Airport (KNW)New Stuyahok, Alaska, United StatesView New Stuyahok Airport on a map Set KNW as origin Airport Set KNW as destination Airport Get more information about New Stuyahok Airport
14109.96 miles (176.97 km) NWKongiganak Airport (KKH)Kongiganak, Alaska, United StatesView Kongiganak Airport on a map Set KKH as origin Airport Set KKH as destination Airport Get more information about Kongiganak Airport
15115.22 miles (185.43 km) ENEKoliganek Airport (KGK)Koliganek, Alaska, United StatesView Koliganek Airport on a map Set KGK as origin Airport Set KGK as destination Airport Get more information about Koliganek Airport

Map of Furthest Airports from Twin Hills Airport:

List of Furthest Airports from Twin Hills Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110,701.44 miles (17,222.26 km) SCape Town International Airport (CPT)Cape Town, South AfricaView Cape Town International Airport on a map Set CPT as origin Airport Set CPT as destination Airport Get more information about Cape Town International Airport
210,700.51 miles (17,220.76 km) SGeorge Airport (GRJ)George, South AfricaView George Airport on a map Set GRJ as origin Airport Set GRJ as destination Airport Get more information about George Airport
310,682.41 miles (17,191.64 km) SSWPort Elizabeth International Airport (PLZ)Port Elizabeth, South AfricaView Port Elizabeth International Airport on a map Set PLZ as origin Airport Set PLZ as destination Airport Get more information about Port Elizabeth International Airport
410,643.12 miles (17,128.40 km) SSWPort Alfred Airport (AFD)Port Alfred, South AfricaView Port Alfred Airport on a map Set AFD as origin Airport Set AFD as destination Airport Get more information about Port Alfred Airport
510,599.30 miles (17,057.88 km) SSWEast London Airport (ELS)East London, South AfricaView East London Airport on a map Set ELS as origin Airport Set ELS as destination Airport Get more information about East London Airport
610,489.61 miles (16,881.35 km) SSWMthatha Airport (UTT)Mthatha, South AfricaView Mthatha Airport on a map Set UTT as origin Airport Set UTT as destination Airport Get more information about Mthatha Airport
710,424.99 miles (16,777.35 km) SSWMargate Airport (MGH)Margate, KwaZulu-Natal, South AfricaView Margate Airport on a map Set MGH as origin Airport Set MGH as destination Airport Get more information about Margate Airport
810,402.27 miles (16,740.79 km) SKleinsee Airport (KLZ)Kleinzee, South AfricaView Kleinsee Airport on a map Set KLZ as origin Airport Set KLZ as destination Airport Get more information about Kleinsee Airport
910,383.36 miles (16,710.36 km) SSWMafeteng Airport (MFC)Mafeteng, LesothoView Mafeteng Airport on a map Set MFC as origin Airport Set MFC as destination Airport Get more information about Mafeteng Airport
1010,378.93 miles (16,703.23 km) SSWSemonkong Airport (SOK)Semonkong, LesothoView Semonkong Airport on a map Set SOK as origin Airport Set SOK as destination Airport Get more information about Semonkong Airport
1110,377.87 miles (16,701.51 km) SWild Coast Sun Airport (MZF)Mzamba, South AfricaView Wild Coast Sun Airport on a map Set MZF as origin Airport Set MZF as destination Airport Get more information about Wild Coast Sun Airport
1210,377.87 miles (16,701.51 km) SAggeneys Airport (AGZ)Aggeneys, South AfricaView Aggeneys Airport on a map Set AGZ as origin Airport Set AGZ as destination Airport Get more information about Aggeneys Airport
1310,376.98 miles (16,700.09 km) SSWLebakeng Airport (LEF)Lebakeng, LesothoView Lebakeng Airport on a map Set LEF as origin Airport Set LEF as destination Airport Get more information about Lebakeng Airport
1410,370.57 miles (16,689.77 km) SSWLesobeng Airport (LES)Lesobeng, LesothoView Lesobeng Airport on a map Set LES as origin Airport Set LES as destination Airport Get more information about Lesobeng Airport
1510,357.63 miles (16,668.95 km) SSWMoshoeshoe I International Airport (MSU)Maseru, LesothoView Moshoeshoe I International Airport on a map Set MSU as origin Airport Set MSU as destination Airport Get more information about Moshoeshoe I International Airport

Map of Nearest Airports to Sidney-Richland Municipal Airport:

List of Nearest Airports to Sidney-Richland Municipal Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
141.33 miles (66.52 km) NESloulin Field International Airport (ISN)Williston, North Dakota, United StatesView Sloulin Field International Airport on a map Set ISN as destination Airport Set ISN as destination Airport Get more information about Sloulin Field International Airport
248.66 miles (78.31 km) SWDawson Community Airport (GDV)Glendive, Montana, United StatesView Dawson Community Airport on a map Set GDV as destination Airport Set GDV as destination Airport Get more information about Dawson Community Airport
369.41 miles (111.70 km) WNWL. M. Clayton Airport (OLF)Wolf Point, Montana, United StatesView L. M. Clayton Airport on a map Set OLF as destination Airport Set OLF as destination Airport Get more information about L. M. Clayton Airport
476.29 miles (122.77 km) NNWSher-Wood Airport (PWD)Plentywood, Montana, United StatesView Sher-Wood Airport on a map Set PWD as destination Airport Set PWD as destination Airport Get more information about Sher-Wood Airport
590.57 miles (145.76 km) SEDickinson Theodore Roosevelt Regional Airport (DIK)Dickinson, North Dakota, United StatesView Dickinson Theodore Roosevelt Regional Airport on a map Set DIK as destination Airport Set DIK as destination Airport Get more information about Dickinson Theodore Roosevelt Regional Airport
6111.04 miles (178.70 km) SSEBowman Municipal Airport (BWM)Bowman, North Dakota, United StatesView Bowman Municipal Airport on a map Set BWM as destination Airport Set BWM as destination Airport Get more information about Bowman Municipal Airport
7117.38 miles (188.91 km) WNWGlasgow International Airport (GGW)Glasgow, Montana, United StatesView Glasgow International Airport on a map Set GGW as destination Airport Set GGW as destination Airport Get more information about Glasgow International Airport
8118.10 miles (190.06 km) NNEEstevan Regional Aerodrome (YEN)Estevan, Saskatchewan, CanadaView Estevan Regional Aerodrome on a map Set YEN as destination Airport Set YEN as destination Airport Get more information about Estevan Regional Aerodrome
9118.99 miles (191.50 km) SWMiles City Airport (MLS)Miles City, Montana, United StatesView Miles City Airport on a map Set MLS as destination Airport Set MLS as destination Airport Get more information about Miles City Airport
10131.42 miles (211.49 km) WJordan Airport (JDN)Jordan, Montana, United StatesView Jordan Airport on a map Set JDN as destination Airport Set JDN as destination Airport Get more information about Jordan Airport
11139.74 miles (224.89 km) ENEMinot Air Force Base (MIB)Minot, North Dakota, United StatesView Minot Air Force Base on a map Set MIB as destination Airport Set MIB as destination Airport Get more information about Minot Air Force Base
12140.05 miles (225.38 km) ENEMinot International Airport (MOT)Minot, North Dakota, United StatesView Minot International Airport on a map Set MOT as destination Airport Set MOT as destination Airport Get more information about Minot International Airport
13174.07 miles (280.14 km) ESEBismarck Municipal Airport (BIS)Bismarck, North Dakota, United StatesView Bismarck Municipal Airport on a map Set BIS as destination Airport Set BIS as destination Airport Get more information about Bismarck Municipal Airport
14189.51 miles (304.99 km) NRegina International Airport (YQR)Regina, Saskatchewan, CanadaView Regina International Airport on a map Set YQR as destination Airport Set YQR as destination Airport Get more information about Regina International Airport
15191.53 miles (308.24 km) NNWCFB Moose Jaw (YMJ)Moose Jaw, Saskatchewan, CanadaView CFB Moose Jaw on a map Set YMJ as destination Airport Set YMJ as destination Airport Get more information about CFB Moose Jaw

Map of Furthest Airports from Sidney-Richland Municipal Airport:

List of Furthest Airports from Sidney-Richland Municipal Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110,383.49 miles (16,710.57 km) SSESir Gaëtan Duval Airport (RRG)Rodrigues Island, MauritiusView Sir Gaëtan Duval Airport on a map Set RRG as destination Airport Set RRG as destination Airport Get more information about Sir Gaëtan Duval Airport
210,297.57 miles (16,572.29 km) SESir Seewoosagur Ramgoolam International Airport (MRU)Plaisance, MauritiusView Sir Seewoosagur Ramgoolam International Airport on a map Set MRU as destination Airport Set MRU as destination Airport Get more information about Sir Seewoosagur Ramgoolam International Airport
310,290.39 miles (16,560.74 km) SEPierrefonds Airport (ZSE)Saint-Pierre, RéunionView Pierrefonds Airport on a map Set ZSE as destination Airport Set ZSE as destination Airport Get more information about Pierrefonds Airport
410,266.41 miles (16,522.14 km) SERoland Garros Airport (RUN)St Denis, Réunion, FranceView Roland Garros Airport on a map Set RUN as destination Airport Set RUN as destination Airport Get more information about Roland Garros Airport
510,218.50 miles (16,445.05 km) SETôlanaro Airport (FTU)Tôlanaro, MadagascarView Tôlanaro Airport on a map Set FTU as destination Airport Set FTU as destination Airport Get more information about Tôlanaro Airport
610,203.17 miles (16,420.36 km) WMargaret River Airport (MGV)Margaret River, Western Australia, AustraliaView Margaret River Airport on a map Set MGV as destination Airport Set MGV as destination Airport Get more information about Margaret River Airport
710,179.29 miles (16,381.94 km) WBusselton Regional Airport (BQB)Busselton, Western Australia, AustraliaView Busselton Regional Airport on a map Set BQB as destination Airport Set BQB as destination Airport Get more information about Busselton Regional Airport
810,169.42 miles (16,366.06 km) WManjimup Airport (MJP)Manjimup, Western Australia, AustraliaView Manjimup Airport on a map Set MJP as destination Airport Set MJP as destination Airport Get more information about Manjimup Airport
910,153.64 miles (16,340.65 km) WBunbury Airport (BUY)Bunbury, Western Australia, AustraliaView Bunbury Airport on a map Set BUY as destination Airport Set BUY as destination Airport Get more information about Bunbury Airport
1010,120.11 miles (16,286.69 km) WAlbany Airport (ALH)Albany, Western Australia, AustraliaView Albany Airport on a map Set ALH as destination Airport Set ALH as destination Airport Get more information about Albany Airport
1110,113.85 miles (16,276.63 km) ESEAmpanihy Airport (AMP)Ampanihy, MadagascarView Ampanihy Airport on a map Set AMP as destination Airport Set AMP as destination Airport Get more information about Ampanihy Airport
1210,100.83 miles (16,255.67 km) WSWRottnest Airport (RTS)Rottnest Island, Western Australia, AustraliaView Rottnest Airport on a map Set RTS as destination Airport Set RTS as destination Airport Get more information about Rottnest Airport
1310,089.33 miles (16,237.15 km) WSWJandakot Airport (JAD)Jandakot, Western Australia, AustraliaView Jandakot Airport on a map Set JAD as destination Airport Set JAD as destination Airport Get more information about Jandakot Airport
1410,078.56 miles (16,219.83 km) WSWPerth Airport (PER)Perth, Western Australia, AustraliaView Perth Airport on a map Set PER as destination Airport Set PER as destination Airport Get more information about Perth Airport
1510,076.48 miles (16,216.49 km) WKatanning Airport (KNI)Katanning, Western Australia, AustraliaView Katanning Airport on a map Set KNI as destination Airport Set KNI as destination Airport Get more information about Katanning Airport