Nonstop flight route between Fort Sill, Oklahoma, United States and El Salvador, Chile:
Departure Airport:

Arrival Airport:

Distance from FSI to ESR:
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- About this route
- FSI Airport Information
- ESR Airport Information
- Facts about FSI
- Facts about ESR
- 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 ESR
- List of Nearest Airports to ESR
- Map of Furthest Airports from ESR
- List of Furthest Airports from ESR
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Ricardo García Posada Airport El Salvador Bajo Airport (ESR), El Salvador, Chile would travel a Great Circle distance of 4,610 miles (or 7,419 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 Ricardo García Posada Airport El Salvador Bajo 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 Ricardo García Posada Airport El Salvador Bajo 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: | ESR / SCES |
Airport Name: | Ricardo García Posada Airport El Salvador Bajo Airport |
Location: | El Salvador, Chile |
GPS Coordinates: | 26°18'39"S by 69°45'55"W |
Airport Type: | Public |
Elevation: | 5240 feet (1,597 meters) |
# of Runways: | 1 |
View all routes: | Routes from ESR |
More Information: | ESR Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Henry Post Army Airfield is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
- 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.
- 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.
- The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- Post Field served as a base for flight training for the Air Service.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
Facts about Ricardo García Posada Airport El Salvador Bajo Airport (ESR):
- The furthest airport from Ricardo García Posada Airport El Salvador Bajo Airport (ESR) is Liping Airport (HZH), which is nearly antipodal to Ricardo García Posada Airport El Salvador Bajo Airport (meaning Ricardo García Posada Airport El Salvador Bajo Airport is almost on the exact opposite side of the Earth from Liping Airport), and is located 12,370 miles (19,907 kilometers) away in Liping County, Guizhou, China.
- Because of Ricardo García Posada Airport El Salvador Bajo Airport's high elevation of 5,240 feet, planes must typically fly at a faster airspeed in order to takeoff or land at ESR. Combined with a high temperature, this could make ESR a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The closest airport to Ricardo García Posada Airport El Salvador Bajo Airport (ESR) is Chañaral Airport (CNR), which is located 52 miles (84 kilometers) W of ESR.
- Ricardo García Posada Airport El Salvador Bajo Airport (ESR) currently has only 1 runway.