Nonstop flight route between Fort Sill, Oklahoma, United States and Ascención de Guarayos, Bolivia:
Departure Airport:

Arrival Airport:

Distance from FSI to ASC:
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- About this route
- FSI Airport Information
- ASC Airport Information
- Facts about FSI
- Facts about ASC
- 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 ASC
- List of Nearest Airports to ASC
- Map of Furthest Airports from ASC
- List of Furthest Airports from ASC
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Ascención de Guarayos Airport (ASC), Ascención de Guarayos, Bolivia would travel a Great Circle distance of 4,191 miles (or 6,745 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 Ascención de Guarayos 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 Ascención de Guarayos 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: | ASC / SLAS |
Airport Names: |
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Location: | Ascención de Guarayos, Bolivia |
GPS Coordinates: | 15°55'55"S by 63°9'21"W |
Area Served: | Ascención de Guarayos |
Airport Type: | Public |
Elevation: | 810 feet (247 meters) |
# of Runways: | 1 |
View all routes: | Routes from ASC |
More Information: | ASC Maps & Info |
Facts about Henry Post Army Airfield (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.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- 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.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- 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 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 (FSI) currently has only 1 runway.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- 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.
Facts about Ascención de Guarayos Airport (ASC):
- The furthest airport from Ascención de Guarayos Airport (ASC) is San Fernando Airport (SFE), which is nearly antipodal to Ascención de Guarayos Airport (meaning Ascención de Guarayos Airport is almost on the exact opposite side of the Earth from San Fernando Airport), and is located 12,203 miles (19,639 kilometers) away in San Fernando City, La Union, Philippines.
- Because of Ascención de Guarayos Airport's relatively low elevation of 810 feet, planes can take off or land at Ascención de Guarayos 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.
- In addition to being known as "Ascención de Guarayos Airport", another name for ASC is "Ascención de Guarayos Airport (Ascención de Guarayos)".
- The closest airport to Ascención de Guarayos Airport (ASC) is Concepción Airport (CEP), which is located 76 miles (123 kilometers) E of ASC.
- Ascención de Guarayos Airport (ASC) currently has only 1 runway.