Nonstop flight route between Fort Sill, Oklahoma, United States and Keewaywin, Ontario, Canada:
Departure Airport:

Arrival Airport:

Distance from FSI to KEW:
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- About this route
- FSI Airport Information
- KEW Airport Information
- Facts about FSI
- Facts about KEW
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
- Map of Nearest Airports to KEW
- List of Nearest Airports to KEW
- Map of Furthest Airports from KEW
- List of Furthest Airports from KEW
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Keewaywin Airport (KEW), Keewaywin, Ontario, Canada would travel a Great Circle distance of 1,296 miles (or 2,086 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 Henry Post Army Airfield and Keewaywin Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | FSI / KFSI |
Airport Name: | Henry Post Army Airfield |
Location: | Fort Sill, Oklahoma, United States |
GPS Coordinates: | 34°38'58"N by 98°24'7"W |
Operator/Owner: | U.S. Army ATCA-ASO |
Airport Type: | Military |
Elevation: | 1189 feet (362 meters) |
# of Runways: | 1 |
View all routes: | Routes from FSI |
More Information: | FSI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | KEW / |
Airport Names: |
|
Location: | Keewaywin, Ontario, Canada |
GPS Coordinates: | 52°59'27"N by 92°50'11"W |
Operator/Owner: | Government of Ontario |
Airport Type: | Public |
Elevation: | 990 feet (302 meters) |
# of Runways: | 1 |
View all routes: | Routes from KEW |
More Information: | KEW Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Post Field served as a base for flight training for the Air Service.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
- 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 field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- 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.
- 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.
Facts about Keewaywin Airport (KEW):
- In addition to being known as "Keewaywin Airport", another name for KEW is "CPV8".
- The closest airport to Keewaywin Airport (KEW) is Sandy Lake Airport (ZSJ), which is located 22 miles (35 kilometers) WNW of KEW.
- Keewaywin Airport (KEW) currently has only 1 runway.
- The furthest airport from Keewaywin Airport (KEW) is Margaret River Airport (MGV), which is located 10,536 miles (16,957 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Keewaywin Airport's relatively low elevation of 990 feet, planes can take off or land at Keewaywin 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.