Nonstop flight route between Fort Sill, Oklahoma, United States and Setif, Algeria:
Departure Airport:

Arrival Airport:

Distance from FSI to QSF:
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- About this route
- FSI Airport Information
- QSF Airport Information
- Facts about FSI
- Facts about QSF
- 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 QSF
- List of Nearest Airports to QSF
- Map of Furthest Airports from QSF
- List of Furthest Airports from QSF
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Ain Arnat Airport (QSF), Setif, Algeria would travel a Great Circle distance of 5,508 miles (or 8,865 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 Ain Arnat 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 Ain Arnat 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: | QSF / DAAS |
Airport Name: | Ain Arnat Airport |
Location: | Setif, Algeria |
GPS Coordinates: | 36°10'36"N by 5°17'18"E |
Area Served: | Sétif |
Operator/Owner: | EGSA-Constantine |
Airport Type: | Public |
Elevation: | 3406 feet (1,038 meters) |
# of Runways: | 1 |
View all routes: | Routes from QSF |
More Information: | QSF Maps & Info |
Facts about Henry Post Army Airfield (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.
- Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- 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.
- 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.
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
Facts about Ain Arnat Airport (QSF):
- The closest airport to Ain Arnat Airport (QSF) is Soummam – Abane Ramdane Airport (BJA), which is located 39 miles (63 kilometers) NNW of QSF.
- Ain Arnat Airport (QSF) currently has only 1 runway.
- The furthest airport from Ain Arnat Airport (QSF) is Gisborne Airport (GIS), which is nearly antipodal to Ain Arnat Airport (meaning Ain Arnat Airport is almost on the exact opposite side of the Earth from Gisborne Airport), and is located 12,001 miles (19,313 kilometers) away in Gisborne, New Zealand.