Nonstop flight route between Fort Sill, Oklahoma, United States and Enewetak, Marshall Islands:
Departure Airport:

Arrival Airport:

Distance from FSI to ENT:
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- About this route
- FSI Airport Information
- ENT Airport Information
- Facts about FSI
- Facts about ENT
- 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 ENT
- List of Nearest Airports to ENT
- Map of Furthest Airports from ENT
- List of Furthest Airports from ENT
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Enewetak Auxiliary Airfield (ENT), Enewetak, Marshall Islands would travel a Great Circle distance of 6,290 miles (or 10,123 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 Enewetak Auxiliary Airfield, 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 Enewetak Auxiliary Airfield. 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: | ENT / PKMA |
Airport Name: | Enewetak Auxiliary Airfield |
Location: | Enewetak, Marshall Islands |
GPS Coordinates: | 11°20'30"N by 162°19'41"E |
Area Served: | Enewetak, Enewetak Atoll, Marshall Islands |
Airport Type: | Private |
Elevation: | 13 feet (4 meters) |
# of Runways: | 1 |
View all routes: | Routes from ENT |
More Information: | ENT Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- With the end of World War I, in October 1919 Post Field was deactivated as an active duty airfield in accordance with sharply reduced military budgets, and a small caretaker unit was assigned to the facility for administrative reasons to support the balloon school/company.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- 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.
- Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- 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.
- After returning from combat duty in France, a cadre of the 135th Aero Squadron ) was assigned to Post Field as an observation squadron, supplying aircraft for the United States Army Field Artillery School at Fort Sill and supported Army units at Fort Leavenworth, Kansas.
- 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.
Facts about Enewetak Auxiliary Airfield (ENT):
- The furthest airport from Enewetak Auxiliary Airfield (ENT) is RAF Ascension (ASI), which is nearly antipodal to Enewetak Auxiliary Airfield (meaning Enewetak Auxiliary Airfield is almost on the exact opposite side of the Earth from RAF Ascension), and is located 12,114 miles (19,496 kilometers) away in Georgetown, Ascension Island, Saint Helena.
- The closest airport to Enewetak Auxiliary Airfield (ENT) is Bikini Atoll Airport (BII), which is located 220 miles (354 kilometers) E of ENT.
- Enewetak Auxiliary Airfield (ENT) currently has only 1 runway.
- Because of Enewetak Auxiliary Airfield's relatively low elevation of 13 feet, planes can take off or land at Enewetak Auxiliary Airfield 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.