Nonstop flight route between Fort Sill, Oklahoma, United States and Košice, Slovakia:
Departure Airport:

Arrival Airport:

Distance from FSI to KSC:
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- About this route
- FSI Airport Information
- KSC Airport Information
- Facts about FSI
- Facts about KSC
- 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 KSC
- List of Nearest Airports to KSC
- Map of Furthest Airports from KSC
- List of Furthest Airports from KSC
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Košice International Airport (KSC), Košice, Slovakia would travel a Great Circle distance of 5,590 miles (or 8,996 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 Košice International 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 Košice International 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: | KSC / LZKZ |
Airport Names: |
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Location: | Košice, Slovakia |
GPS Coordinates: | 48°39'47"N by 21°14'27"E |
Area Served: | Košice, Slovakia |
Operator/Owner: | Letisko Košice - Airport Košice, a.s. |
Airport Type: | Public |
Elevation: | 755 feet (230 meters) |
# of Runways: | 1 |
View all routes: | Routes from KSC |
More Information: | KSC Maps & Info |
Facts about Henry Post Army Airfield (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.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- 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.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- Post Field served as a base for flight training for the Air Service.
- 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.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
Facts about Košice International Airport (KSC):
- The furthest airport from Košice International Airport (KSC) is Chatham Islands (CHT), which is located 11,530 miles (18,555 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- Košice International Airport (KSC) currently has only 1 runway.
- Because of Košice International Airport's relatively low elevation of 755 feet, planes can take off or land at Košice International 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 "Košice International Airport", another name for KSC is "Medzinárodné letisko Košice".
- Construction of today's airport began in 1950 near the suburb of Barca.
- The closest airport to Košice International Airport (KSC) is Miskolc Airport (MCQ), which is located 42 miles (67 kilometers) SSW of KSC.