Nonstop flight route between Fort Sill, Oklahoma, United States and Brigham City, Utah, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to BMC:
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- About this route
- FSI Airport Information
- BMC Airport Information
- Facts about FSI
- Facts about BMC
- 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 BMC
- List of Nearest Airports to BMC
- Map of Furthest Airports from BMC
- List of Furthest Airports from BMC
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Brigham City Airport (BMC), Brigham City, Utah, United States would travel a Great Circle distance of 881 miles (or 1,418 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 Brigham City 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: | BMC / KBMC |
Airport Name: | Brigham City Airport |
Location: | Brigham City, Utah, United States |
GPS Coordinates: | 41°33'9"N by 112°3'43"W |
Area Served: | Brigham City, Utah |
Operator/Owner: | Brigham City |
Airport Type: | Public |
Elevation: | 4229 feet (1,289 meters) |
# of Runways: | 1 |
View all routes: | Routes from BMC |
More Information: | BMC Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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 (FSI) currently has only 1 runway.
- 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.
- 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 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 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.
Facts about Brigham City Airport (BMC):
- Because of Brigham City Airport's high elevation of 4,229 feet, planes must typically fly at a faster airspeed in order to takeoff or land at BMC. Combined with a high temperature, this could make BMC a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- Brigham City Airport is a city-owned public-use airport located three nautical miles northwest of the central business district of Brigham City, in Box Elder County, Utah, United States.
- The closest airport to Brigham City Airport (BMC) is Logan-Cache Airport (LGU), which is located only 20 miles (32 kilometers) NNE of BMC.
- The furthest airport from Brigham City Airport (BMC) is Sir Gaëtan Duval Airport (RRG), which is located 10,907 miles (17,553 kilometers) away in Rodrigues Island, Mauritius.
- Brigham City Airport (BMC) currently has only 1 runway.