Nonstop flight route between Fort Sill, Oklahoma, United States and Islay, Scotland, United Kingdom:
Departure Airport:

Arrival Airport:

Distance from FSI to ILY:
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- About this route
- FSI Airport Information
- ILY Airport Information
- Facts about FSI
- Facts about ILY
- 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 ILY
- List of Nearest Airports to ILY
- Map of Furthest Airports from ILY
- List of Furthest Airports from ILY
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Islay Airport (ILY), Islay, Scotland, United Kingdom would travel a Great Circle distance of 4,361 miles (or 7,018 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 Islay 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 Islay 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: | ILY / EGPI |
Airport Names: |
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Location: | Islay, Scotland, United Kingdom |
GPS Coordinates: | 55°40'59"N by 6°15'34"W |
Area Served: | Islay |
Operator/Owner: | Highlands and Islands Airports Limited |
Airport Type: | Public |
Elevation: | 56 feet (17 meters) |
# of Runways: | 2 |
View all routes: | Routes from ILY |
More Information: | ILY Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- 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.
- 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 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.
- 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 Islay Airport (ILY):
- Islay Airport (ILY) has 2 runways.
- Because of Islay Airport's relatively low elevation of 56 feet, planes can take off or land at Islay 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 "Islay Airport", another name for ILY is "Port-adhair Ìle".
- The closest airport to Islay Airport (ILY) is Colonsay Airport (CSA), which is located 26 miles (42 kilometers) N of ILY.
- Islay Airport handled 28,486 passengers last year.
- The furthest airport from Islay Airport (ILY) is Ryan's Creek Aerodrome (SZS), which is located 11,783 miles (18,963 kilometers) away in Stewart Island, New Zealand.