Nonstop flight route between Suffield, Alberta, Canada and Fort Sill, Oklahoma, United States:

About this route:

A direct, nonstop flight between CFB Suffield (YSD), Suffield, Alberta, Canada and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 1,257 miles (or 2,022 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 CFB Suffield and Henry Post Army Airfield, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about CFB Suffield (YSD):

• The lands comprising modern-day CFB Suffield were known as the "Suffield Block", resulting from the Dominion Land Survey, and comprised marginal agricultural land, given the perpetual semi-arid climate.
• Defence Research and Development Canada is an agency of the Canadian Department of National Defence responding to the scientific and technological needs of the Canadian Forces.
• The furthest airport from CFB Suffield (YSD) is Tôlanaro Airport (FTU), which is located 10,339 miles (16,640 kilometers) away in Tôlanaro, Madagascar.
• The closest airport to CFB Suffield (YSD) is Medicine Hat Airport (YXH), which is located 27 miles (43 kilometers) SE of YSD.

Facts about Henry Post Army Airfield (FSI):

• Post Field served as a base for flight training for the Air Service.
• Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
• Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
• Henry Post Army Airfield was the first home of all Army Aviation Training after World War II before moving to Fort Rucker, Alabama in 1954.
• The Fort Sill Army Radar Approach Control is the Army's Second busiest Air Traffic Control Facility, providing Radar Approach Control service to Henry Post Army Air Field, Lawton/Fort Sill Regional Airport, Duncan/Haliburton Airport and many smaller airports in the area.
• Air Service/Corps units assigned to Post Field between 1919 and 1941
• Henry Post Army Airfield (FSI) currently has only 1 runway.
• The furthest airport from Henry Post Army Airfield (FSI) is Sir Gaëtan Duval Airport (RRG), which is located 10,920 miles (17,575 kilometers) away in Rodrigues Island, Mauritius.
• The closest airport to Henry Post Army Airfield (FSI) is Lawton–Fort Sill Regional Airport (LAW), which is located only 6 miles (9 kilometers) S of FSI.