Nonstop flight route between Fort Sill, Oklahoma, United States and Usak, Turkey:
Departure Airport:

Arrival Airport:

Distance from FSI to USQ:
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- About this route
- FSI Airport Information
- USQ Airport Information
- Facts about FSI
- Facts about USQ
- 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 USQ
- List of Nearest Airports to USQ
- Map of Furthest Airports from USQ
- List of Furthest Airports from USQ
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Uṣak Airport (USQ), Usak, Turkey would travel a Great Circle distance of 6,373 miles (or 10,256 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 large distance between Henry Post Army Airfield and Uṣak Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Henry Post Army Airfield and Uṣak Airport. You'll see that it will travel the same route of the red line on this map!
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: | USQ / LTBO |
Airport Name: | Uṣak Airport |
Location: | Usak, Turkey |
GPS Coordinates: | 38°40'46"N by 29°28'53"E |
Area Served: | Uşak |
Operator/Owner: | Turkish Government Airport Management |
Airport Type: | Public |
# of Runways: | 1 |
View all routes: | Routes from USQ |
More Information: | USQ Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- Henry Post Army Airfield is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
- 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.
- 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.
Facts about Uṣak Airport (USQ):
- The closest airport to Uṣak Airport (USQ) is Zafer Airport (KZR), which is located 46 miles (74 kilometers) NE of USQ.
- Uṣak Airport (USQ) currently has only 1 runway.
- The furthest airport from Uṣak Airport (USQ) is Rurutu Airport (RUR), which is located 11,313 miles (18,207 kilometers) away in Rurutu, French Polynesia.