Nonstop flight route between Glendive, Montana, United States and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from GDV to FSI:
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- About this route
- GDV Airport Information
- FSI Airport Information
- Facts about GDV
- Facts about FSI
- Map of Nearest Airports to GDV
- List of Nearest Airports to GDV
- Map of Furthest Airports from GDV
- List of Furthest Airports from GDV
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
About this route:
A direct, nonstop flight between Dawson Community Airport (GDV), Glendive, Montana, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 925 miles (or 1,488 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 Dawson Community Airport and Henry Post Army Airfield, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | GDV / KGDV |
Airport Name: | Dawson Community Airport |
Location: | Glendive, Montana, United States |
GPS Coordinates: | 47°8'18"N by 104°48'25"W |
Area Served: | Glendive, Montana |
Operator/Owner: | Dawson County |
Airport Type: | Public |
Elevation: | 2458 feet (749 meters) |
# of Runways: | 2 |
View all routes: | Routes from GDV |
More Information: | GDV Maps & Info |
Arrival 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 |
Facts about Dawson Community Airport (GDV):
- The furthest airport from Dawson Community Airport (GDV) is Sir Gaëtan Duval Airport (RRG), which is located 10,431 miles (16,787 kilometers) away in Rodrigues Island, Mauritius.
- Dawson Community Airport is a county-owned public-use airport located four nautical miles northwest of the central business district of Glendive, a city in Dawson County, Montana, United States.
- Scheduled air service temporarily ceased on March 8, 2008, when Big Sky Airlines ended operations in bankruptcy.
- Dawson Community Airport (GDV) has 2 runways.
- The closest airport to Dawson Community Airport (GDV) is Sidney-Richland Municipal Airport (SDY), which is located 49 miles (78 kilometers) NE of GDV.
Facts about Henry Post Army Airfield (FSI):
- Henry Post Army Airfield was the first home of all Army Aviation Training after World War II before moving to Fort Rucker, Alabama in 1954.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- Post Field served as a base for flight training for the Air Service.
- 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 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.
- 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 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.
- 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.
- 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.