Nonstop flight route between Erie, Pennsylvania, United States and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from ERI to FSI:
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- About this route
- ERI Airport Information
- FSI Airport Information
- Facts about ERI
- Facts about FSI
- Map of Nearest Airports to ERI
- List of Nearest Airports to ERI
- Map of Furthest Airports from ERI
- List of Furthest Airports from ERI
- 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 Erie International Airport (ERI), Erie, Pennsylvania, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 1,110 miles (or 1,786 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 Erie International Airport and Henry Post Army Airfield, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | ERI / KERI |
Airport Names: |
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Location: | Erie, Pennsylvania, United States |
GPS Coordinates: | 42°4'54"N by 80°10'33"W |
Operator/Owner: | Erie Municipal Airport Authority |
Airport Type: | Public |
Elevation: | 733 feet (223 meters) |
# of Runways: | 2 |
View all routes: | Routes from ERI |
More Information: | ERI 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 Erie International Airport (ERI):
- Because of Erie International Airport's relatively low elevation of 733 feet, planes can take off or land at Erie 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.
- Erie International Airport (ERI) has 2 runways.
- The furthest airport from Erie International Airport (ERI) is Margaret River Airport (MGV), which is located 11,435 miles (18,402 kilometers) away in Margaret River, Western Australia, Australia.
- The airport is reportedly looking to expand service to New York, Chicago, and other cities.
- In addition to being known as "Erie International Airport", another name for ERI is "Tom Ridge Field".
- The closest airport to Erie International Airport (ERI) is Port Meadville Airport (MEJ), which is located 32 miles (51 kilometers) S of ERI.
- Erie International Airport handled 12,116 passengers last year.
Facts about Henry Post Army Airfield (FSI):
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- Fort Sill has embarked on a new plan to support the museum in providing a more dynamic learning experience for the 200,000 military and civilian personnel who visit each year.
- 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.
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- 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 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.