Nonstop flight route between Fort Sill, Oklahoma, United States and Borroloola, Northern Territory, Australia:
Departure Airport:

Arrival Airport:

Distance from FSI to BOX:
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- About this route
- FSI Airport Information
- BOX Airport Information
- Facts about FSI
- Facts about BOX
- 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 BOX
- List of Nearest Airports to BOX
- Map of Furthest Airports from BOX
- List of Furthest Airports from BOX
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Borroloola Airport (BOX), Borroloola, Northern Territory, Australia would travel a Great Circle distance of 8,836 miles (or 14,221 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 Borroloola 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 Borroloola 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: | BOX / YBRL |
Airport Name: | Borroloola Airport |
Location: | Borroloola, Northern Territory, Australia |
GPS Coordinates: | 16°4'5"S by 136°18'1"E |
Area Served: | Borroloola |
Operator/Owner: | Northern Territory Government |
Airport Type: | Public |
Elevation: | 55 feet (17 meters) |
# of Runways: | 1 |
View all routes: | Routes from BOX |
More Information: | BOX Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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 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.
- 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.
- 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.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
Facts about Borroloola Airport (BOX):
- Borroloola Airport (BOX) currently has only 1 runway.
- Because of Borroloola Airport's relatively low elevation of 55 feet, planes can take off or land at Borroloola 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 Borroloola Airport (BOX) is McArthur River Mine Airport (MCV), which is located 30 miles (48 kilometers) SSW of BOX.
- The furthest airport from Borroloola Airport (BOX) is Cayenne – Félix Eboué Airport (CAY), which is located 11,463 miles (18,447 kilometers) away in Cayenne, French Guiana.