Nonstop flight route between Eureka, Nunavut, Canada and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from YEU to FSI:
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- About this route
- YEU Airport Information
- FSI Airport Information
- Facts about YEU
- Facts about FSI
- Map of Nearest Airports to YEU
- List of Nearest Airports to YEU
- Map of Furthest Airports from YEU
- List of Furthest Airports from YEU
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
About this route:
A direct, nonstop flight between Eureka Aerodrome (YEU), Eureka, Nunavut, Canada and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 3,152 miles (or 5,073 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 Eureka Aerodrome and Henry Post Army 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 Eureka Aerodrome and Henry Post Army Airfield. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | YEU / CYEU |
Airport Name: | Eureka Aerodrome |
Location: | Eureka, Nunavut, Canada |
GPS Coordinates: | 79°59'39"N by 85°48'42"W |
Operator/Owner: | Environment Canada |
Airport Type: | Private |
Elevation: | 272 feet (83 meters) |
# of Runways: | 1 |
View all routes: | Routes from YEU |
More Information: | YEU Maps & Info |
Arrival 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 |
Facts about Eureka Aerodrome (YEU):
- The furthest airport from Eureka Aerodrome (YEU) is Teniente Rodolfo Marsh Airport (TNM), which is located 9,881 miles (15,902 kilometers) away in Villa Las Estrellas, Antarctica.
- Because of Eureka Aerodrome's relatively low elevation of 272 feet, planes can take off or land at Eureka Aerodrome 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.
- Eureka Aerodrome (YEU) currently has only 1 runway.
- The closest airport to Eureka Aerodrome (YEU) is Grise Fiord Airport (YGZ), which is located 250 miles (402 kilometers) S of YEU.
Facts about Henry Post Army Airfield (FSI):
- The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
- 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.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.