Nonstop flight route between Gillette, Wyoming, United States and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from GCC to FSI:
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- About this route
- GCC Airport Information
- FSI Airport Information
- Facts about GCC
- Facts about FSI
- Map of Nearest Airports to GCC
- List of Nearest Airports to GCC
- Map of Furthest Airports from GCC
- List of Furthest Airports from GCC
- 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 Gillette–Campbell County Airport (GCC), Gillette, Wyoming, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 770 miles (or 1,239 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 Gillette–Campbell County 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: | GCC / KGCC |
Airport Name: | Gillette–Campbell County Airport |
Location: | Gillette, Wyoming, United States |
GPS Coordinates: | 44°20'56"N by 105°32'21"W |
Area Served: | Gillette, Wyoming |
Operator/Owner: | Campbell County |
Airport Type: | Public |
Elevation: | 4364 feet (1,330 meters) |
# of Runways: | 2 |
View all routes: | Routes from GCC |
More Information: | GCC 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 Gillette–Campbell County Airport (GCC):
- Gillette–Campbell County Airport is five miles northwest of Gillette in Campbell County, Wyoming.
- Gillette–Campbell County Airport (GCC) has 2 runways.
- The closest airport to Gillette–Campbell County Airport (GCC) is Sheridan County Airport (SHR), which is located 77 miles (123 kilometers) WNW of GCC.
- Because of Gillette–Campbell County Airport's high elevation of 4,364 feet, planes must typically fly at a faster airspeed in order to takeoff or land at GCC. Combined with a high temperature, this could make GCC a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The airport covers 759 acres at an elevation of 4,364 feet.
- The furthest airport from Gillette–Campbell County Airport (GCC) is Sir Gaëtan Duval Airport (RRG), which is located 10,622 miles (17,094 kilometers) away in Rodrigues Island, Mauritius.
Facts about Henry Post Army Airfield (FSI):
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- 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.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.