Nonstop flight route between Fort Sill, Oklahoma, United States and Armidale, New South Wales, Australia:
Departure Airport:

Arrival Airport:

Distance from FSI to ARM:
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- About this route
- FSI Airport Information
- ARM Airport Information
- Facts about FSI
- Facts about ARM
- 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 ARM
- List of Nearest Airports to ARM
- Map of Furthest Airports from ARM
- List of Furthest Airports from ARM
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Armidale Airport (ARM), Armidale, New South Wales, Australia would travel a Great Circle distance of 8,434 miles (or 13,573 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 Armidale 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 Armidale 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: | ARM / YARM |
Airport Name: | Armidale Airport |
Location: | Armidale, New South Wales, Australia |
GPS Coordinates: | 30°31'41"S by 151°37'0"E |
Area Served: | Armidale, New South Wales, Australia |
Operator/Owner: | Armidale Dumaresq Shire |
Airport Type: | Public |
Elevation: | 3556 feet (1,084 meters) |
# of Runways: | 2 |
View all routes: | Routes from ARM |
More Information: | ARM Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
- 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.
Facts about Armidale Airport (ARM):
- Armidale Airport was ranked 45th in Australia for the number of revenue passengers served in financial year 2012-2013.
- The furthest airport from Armidale Airport (ARM) is Santa Maria Airport (SMA), which is located 11,955 miles (19,239 kilometers) away in Santa Maria, Portugal.
- The closest airport to Armidale Airport (ARM) is Inverell Airport (IVR), which is located 52 miles (84 kilometers) NNW of ARM.
- Armidale was one of the 20 destinations looked at by Virgin Australia for services to Sydney using Embraer jet aircraft.
- Armidale Airport (ARM) has 2 runways.
- Hazelton Airlines, an affiliate of Ansett Australia, operated between Sydney and Armidale from 1989 until the company collapsed in 2002.