Nonstop flight route between Fort Sill, Oklahoma, United States and Exmouth, Western Australia, Australia:
Departure Airport:

Arrival Airport:

Distance from FSI to LEA:
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- About this route
- FSI Airport Information
- LEA Airport Information
- Facts about FSI
- Facts about LEA
- 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 LEA
- List of Nearest Airports to LEA
- Map of Furthest Airports from LEA
- List of Furthest Airports from LEA
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and RAAF Learmonth (LEA), Exmouth, Western Australia, Australia would travel a Great Circle distance of 10,297 miles (or 16,571 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 RAAF Learmonth, 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 RAAF Learmonth. 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: | LEA / YPLM |
Airport Names: |
|
Location: | Exmouth, Western Australia, Australia |
GPS Coordinates: | 22°14'8"S by 114°5'18"E |
Area Served: | Exmouth, Western Australia |
Operator/Owner: | RAAF/Shire of Exmouth |
Airport Type: | Military/Public |
Elevation: | 19 feet (6 meters) |
# of Runways: | 1 |
View all routes: | Routes from LEA |
More Information: | LEA 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.
- 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 Army Airfield is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- Henry Post Army Airfield was the first home of all Army Aviation Training after World War II before moving to Fort Rucker, Alabama in 1954.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- Post Field served as a base for flight training for the Air Service.
- In 1940 the Artillery decided that the Air Corps had outgrown such mundane chores as artillery spotting, and it was decided that it would take care of itself with its own observation aircraft.
Facts about RAAF Learmonth (LEA):
- In the mid-1960s, the Federal Government gave its support to plans by the Chief of the Air Staff, Air Marshal Val Hancock, to redevelop Learmonth as a 'bare base', due to its proximity to Indonesia.
- Because of RAAF Learmonth's relatively low elevation of 19 feet, planes can take off or land at RAAF Learmonth 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 furthest airport from RAAF Learmonth (LEA) is Fernando Luis Ribas Dominicci Airport (SIG), which is nearly antipodal to RAAF Learmonth (meaning RAAF Learmonth is almost on the exact opposite side of the Earth from Fernando Luis Ribas Dominicci Airport), and is located 12,175 miles (19,594 kilometers) away in San Juan, Puerto Rico.
- The closest airport to RAAF Learmonth (LEA) is Barrow Island Airport (BWB), which is located 127 miles (204 kilometers) NE of LEA.
- RAAF Learmonth handled 90,861 passengers last year.
- In addition to being known as "RAAF Learmonth", another name for LEA is "Learmonth Airport".
- RAAF Learmonth (LEA) currently has only 1 runway.