Nonstop flight route between Fort Sill, Oklahoma, United States and Leesburg, Virginia, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to JYO:
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- About this route
- FSI Airport Information
- JYO Airport Information
- Facts about FSI
- Facts about JYO
- 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 JYO
- List of Nearest Airports to JYO
- Map of Furthest Airports from JYO
- List of Furthest Airports from JYO
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Leesburg Executive Airport (JYO), Leesburg, Virginia, United States would travel a Great Circle distance of 1,189 miles (or 1,914 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 relatively short distance between Henry Post Army Airfield and Leesburg Executive Airport, the route shown on this map most likely still appears to be a straight line.
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: | JYO / KJYO |
Airport Names: |
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Location: | Leesburg, Virginia, United States |
GPS Coordinates: | 39°4'41"N by 77°33'27"W |
Area Served: | Leesburg, Virginia |
Operator/Owner: | Town of Leesburg |
Airport Type: | Public |
Elevation: | 389 feet (119 meters) |
# of Runways: | 1 |
View all routes: | Routes from JYO |
More Information: | JYO 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.
- 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.
- 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.
- 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.
- 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.
- The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
Facts about Leesburg Executive Airport (JYO):
- Leesburg Executive Airport (JYO) currently has only 1 runway.
- The furthest airport from Leesburg Executive Airport (JYO) is Margaret River Airport (MGV), which is located 11,650 miles (18,749 kilometers) away in Margaret River, Western Australia, Australia.
- Leesburg Executive Airport was built in 1963 to replace an earlier grass field on the eastern edge of the town, which was owned & used by radio personality Arthur Godfrey for his private DC-3 aircraft.
- The closest airport to Leesburg Executive Airport (JYO) is Washington Dulles International Airport (IAD), which is located only 11 miles (17 kilometers) SSE of JYO.
- Leesburg Executive Airport at Godfrey Field is a town-owned public-use airport located three nautical miles south of the central business district of Leesburg, a town in Loudoun County, Virginia, United States.
- Leesburg Executive Airport covers an area of 214 acres at an elevation of 389 feet above mean sea level.
- It is a busy general aviation airport in the Washington, D.C.
- In addition to being known as "Leesburg Executive Airport", another name for JYO is "Godfrey Field".
- Because of Leesburg Executive Airport's relatively low elevation of 389 feet, planes can take off or land at Leesburg Executive 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.