Nonstop flight route between Arvaikheer, Mongolia and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from AVK to FSI:
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- About this route
- AVK Airport Information
- FSI Airport Information
- Facts about AVK
- Facts about FSI
- Map of Nearest Airports to AVK
- List of Nearest Airports to AVK
- Map of Furthest Airports from AVK
- List of Furthest Airports from AVK
- 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 Arvaykheer Airport (AVK), Arvaikheer, Mongolia and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 6,693 miles (or 10,771 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 Arvaykheer Airport and Henry Post Army Airfield, 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 Arvaykheer Airport and Henry Post Army Airfield. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | AVK / ZMAH |
Airport Name: | Arvaykheer Airport |
Location: | Arvaikheer, Mongolia |
GPS Coordinates: | 46°15'8"N by 102°47'57"E |
Operator/Owner: | Civil Aviation Authority of Mongolia |
Airport Type: | Joint (Civil and Military) |
# of Runways: | 1 |
View all routes: | Routes from AVK |
More Information: | AVK 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 Arvaykheer Airport (AVK):
- Arvaykheer Airport (AVK) currently has only 1 runway.
- The furthest airport from Arvaykheer Airport (AVK) is Cochrane Airfield (LGR), which is nearly antipodal to Arvaykheer Airport (meaning Arvaykheer Airport is almost on the exact opposite side of the Earth from Cochrane Airfield), and is located 12,208 miles (19,647 kilometers) away in Cochrane, Chile.
- The closest airport to Arvaykheer Airport (AVK) is Khujirt Airport (HJT), which is located 45 miles (72 kilometers) N of AVK.
Facts about Henry Post Army Airfield (FSI):
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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 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.
- 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.
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- 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 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.