Nonstop flight route between Fort Sill, Oklahoma, United States and Montgomery, Alabama, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to MGM:
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- About this route
- FSI Airport Information
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- Facts about FSI
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About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Montgomery Regional Airport (MGM), Montgomery, Alabama, United States would travel a Great Circle distance of 710 miles (or 1,143 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 Montgomery Regional 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: | MGM / KMGM |
Airport Names: |
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Location: | Montgomery, Alabama, United States |
GPS Coordinates: | 32°18'2"N by 86°23'38"W |
Area Served: | Montgomery, Alabama |
Operator/Owner: | City of Montgomery |
Airport Type: | Public |
Elevation: | 221 feet (67 meters) |
# of Runways: | 2 |
View all routes: | Routes from MGM |
More Information: | MGM Maps & Info |
Facts about Henry Post Army Airfield (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.
- 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.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- 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.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
Facts about Montgomery Regional Airport (MGM):
- The Alabama Air National Guard's 187th Fighter Wing, based on the west side of the airport at Montgomery Air National Guard Base, operates a squadron ofF-16C aircraft.
- In addition to being known as "Montgomery Regional Airport", another name for MGM is "Dannelly Field".
- Past airlines since 1955 have included Eastern Air Lines, Eastern Metro Express, Southern Airways, Republic Airlines, Piedmont Aviation, Sun Airlines, Southeast Air, South Central Air Transport, Air Illinois, Ocean Airways, Continental Airlines, Continental Express and Northwest Airlink.
- Montgomery Regional Airport (MGM) has 2 runways.
- The apron and the main runway and taxiways can accommodate aircraft as large as the Boeing 747 and Antonov 124.
- The Alabama Army National Guard also has an Army Aviation Support Facility on the south side of the airport.
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- Because of Montgomery Regional Airport's relatively low elevation of 221 feet, planes can take off or land at Montgomery Regional 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.
- The closest airport to Montgomery Regional Airport (MGM) is Maxwell Air Force Base (MXF), which is located only 6 miles (9 kilometers) NNE of MGM.
- The furthest airport from Montgomery Regional Airport (MGM) is Margaret River Airport (MGV), which is located 11,190 miles (18,009 kilometers) away in Margaret River, Western Australia, Australia.