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 closest airport to CFB Suffield (YSD) is Medicine Hat Airport (YXH), which is located 27 miles (43 kilometers) SE of YSD.
• On August 25, 1971, the Canadian Government ratified a ten-year agreement with the British Government that allowed the British Armed Forces to use the northern three-quarters of the Suffield Block.
• British Army training has continued at Suffield since 1971, with the shared-use agreement being extended several times.
• The furthest airport from CFB Suffield (YSD) is Tôlanaro Airport (FTU), which is located 10,339 miles (16,640 kilometers) away in Tôlanaro, Madagascar.

Facts about Henry Post Army Airfield (FSI):

• As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
• The first Army aviation at Fort Sill began on 26 July 1915 when eight Curtiss JN-3 airplanes of the 1st Aero Squadron arrived from Rockwell Field, California.
• 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.
• Henry Post Army Airfield is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
• Henry Post Army Airfield (FSI) currently has only 1 runway.
• In 1940 the Artillery decided that the Air Corps had outgrown such mundane chores as artillery spotting, and it was decided that it would take care of itself with its own observation aircraft.
• After returning from combat duty in France, a cadre of the 135th Aero Squadron ) was assigned to Post Field as an observation squadron, supplying aircraft for the United States Army Field Artillery School at Fort Sill and supported Army units at Fort Leavenworth, Kansas.
• By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.