Nonstop flight route between Fort Sill, Oklahoma, United States and Ambler, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to ABL:
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- About this route
- FSI Airport Information
- ABL Airport Information
- Facts about FSI
- Facts about ABL
- 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 ABL
- List of Nearest Airports to ABL
- Map of Furthest Airports from ABL
- List of Furthest Airports from ABL
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Ambler Airport (ABL), Ambler, Alaska, United States would travel a Great Circle distance of 3,223 miles (or 5,188 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 Ambler 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 Ambler 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: | ABL / PAFM |
Airport Names: |
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Location: | Ambler, Alaska, United States |
GPS Coordinates: | 67°6'23"N by 157°51'25"W |
Area Served: | Ambler, Alaska |
Operator/Owner: | Alaska DOT&PF - Northern Region |
Airport Type: | Public |
Elevation: | 334 feet (102 meters) |
# of Runways: | 2 |
View all routes: | Routes from ABL |
More Information: | ABL Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Post Field served as a base for flight training for the Air Service.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- Fort Sill has embarked on a new plan to support the museum in providing a more dynamic learning experience for the 200,000 military and civilian personnel who visit each year.
- 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.
- 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.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- 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.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
Facts about Ambler Airport (ABL):
- The closest airport to Ambler Airport (ABL) is Shungnak Airport (SHG), which is located 24 miles (39 kilometers) SE of ABL.
- Ambler Airport (ABL) has 2 runways.
- In addition to being known as "Ambler Airport", another name for ABL is "AFM".
- The furthest airport from Ambler Airport (ABL) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,187 miles (16,394 kilometers) away in Villa Las Estrellas, Antarctica.
- Because of Ambler Airport's relatively low elevation of 334 feet, planes can take off or land at Ambler 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.