Nonstop flight route between Fort Sill, Oklahoma, United States and Fairmont, Minnesota, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to FRM:
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- About this route
- FSI Airport Information
- FRM Airport Information
- Facts about FSI
- Facts about FRM
- 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 FRM
- List of Nearest Airports to FRM
- Map of Furthest Airports from FRM
- List of Furthest Airports from FRM
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Fairmont Municipal Airport (FRM), Fairmont, Minnesota, United States would travel a Great Circle distance of 657 miles (or 1,057 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 Fairmont Municipal 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: | FRM / KFRM |
Airport Name: | Fairmont Municipal Airport |
Location: | Fairmont, Minnesota, United States |
GPS Coordinates: | 43°38'38"N by 94°24'56"W |
Area Served: | Fairmont, Minnesota |
Operator/Owner: | City of Fairmont |
Airport Type: | Public |
Elevation: | 1162 feet (354 meters) |
# of Runways: | 2 |
View all routes: | Routes from FRM |
More Information: | FRM Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- 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.
- Fort Sill has embarked on a new plan to support the museum in providing a more dynamic learning experience for the 200,000 military and civilian personnel who visit each year.
- 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.
- 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.
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
Facts about Fairmont Municipal Airport (FRM):
- The closest airport to Fairmont Municipal Airport (FRM) is Jackson Municipal Airport (MJQ), which is located 29 miles (46 kilometers) W of FRM.
- Fairmont Municipal Airport (FRM) has 2 runways.
- The furthest airport from Fairmont Municipal Airport (FRM) is Margaret River Airport (MGV), which is located 10,723 miles (17,257 kilometers) away in Margaret River, Western Australia, Australia.