Nonstop flight route between Fort Sill, Oklahoma, United States and Agaun, Papua New Guinea:
Departure Airport:

Arrival Airport:

Distance from FSI to AUP:
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- About this route
- FSI Airport Information
- AUP Airport Information
- Facts about FSI
- Facts about AUP
- 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 AUP
- List of Nearest Airports to AUP
- Map of Furthest Airports from AUP
- List of Furthest Airports from AUP
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Agaun Airport (AUP), Agaun, Papua New Guinea would travel a Great Circle distance of 7,866 miles (or 12,660 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 Agaun 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 Agaun 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: | AUP / AYAG |
Airport Name: | Agaun Airport |
Location: | Agaun, Papua New Guinea |
GPS Coordinates: | 9°55'50"S by 149°23'8"E |
Elevation: | 3200 feet (975 meters) |
# of Runways: | 1 |
View all routes: | Routes from AUP |
More Information: | AUP Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- 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.
- Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
Facts about Agaun Airport (AUP):
- The closest airport to Agaun Airport (AUP) is Wanigela Airport (AGL), which is located 44 miles (71 kilometers) NNW of AUP.
- The furthest airport from Agaun Airport (AUP) is São Filipe Airport (SFL), which is located 11,900 miles (19,151 kilometers) away in Fogo, Cape Verde.
- Agaun Airport (AUP) currently has only 1 runway.