Nonstop flight route between Fort Sill, Oklahoma, United States and McAllen, Texas, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to MFE:
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- About this route
- FSI Airport Information
- MFE Airport Information
- Facts about FSI
- Facts about MFE
- 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 MFE
- List of Nearest Airports to MFE
- Map of Furthest Airports from MFE
- List of Furthest Airports from MFE
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and McAllen Miller International Airport (MFE), McAllen, Texas, United States would travel a Great Circle distance of 586 miles (or 942 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 McAllen Miller International 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: | MFE / KMFE |
Airport Name: | McAllen Miller International Airport |
Location: | McAllen, Texas, United States |
GPS Coordinates: | 26°10'32"N by 98°14'18"W |
Area Served: | McAllen, Texas |
Operator/Owner: | City of McAllen |
Airport Type: | Public |
Elevation: | 107 feet (33 meters) |
# of Runways: | 2 |
View all routes: | Routes from MFE |
More Information: | MFE Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- 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.
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- 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.
Facts about McAllen Miller International Airport (MFE):
- The McAllen Miller International Airport's food and beverage options include a Quizno's pre- and post-security as well as DAZBOG Coffee and Expeditions Bar pre-security.
- Because of McAllen Miller International Airport's relatively low elevation of 107 feet, planes can take off or land at McAllen Miller 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.
- The furthest airport from McAllen Miller International Airport (MFE) is Sir Gaëtan Duval Airport (RRG), which is located 11,187 miles (18,003 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to McAllen Miller International Airport (MFE) is General Lucio Blanco International Airport (REX), which is located only 12 miles (19 kilometers) S of MFE.
- McAllen Miller International Airport (MFE) has 2 runways.
- The two runways are the center the airside portion of MFE.
- "The project includes construction of a one-story building addition of approximately 7,400 square feet at the west end of the terminal building for a checked baggage screening facility and expanded outbound baggage handling system.