Nonstop flight route between Fort Hood / Killeen, Texas, United States and Carbondale/Murphysboro, Illinois, United States:
Departure Airport:

Arrival Airport:

Distance from GRK to MDH:
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- About this route
- GRK Airport Information
- MDH Airport Information
- Facts about GRK
- Facts about MDH
- Map of Nearest Airports to GRK
- List of Nearest Airports to GRK
- Map of Furthest Airports from GRK
- List of Furthest Airports from GRK
- Map of Nearest Airports to MDH
- List of Nearest Airports to MDH
- Map of Furthest Airports from MDH
- List of Furthest Airports from MDH
About this route:
A direct, nonstop flight between Killeen–Fort Hood Regional Airport (GRK), Fort Hood / Killeen, Texas, United States and Southern Illinois Airport (MDH), Carbondale/Murphysboro, Illinois, United States would travel a Great Circle distance of 673 miles (or 1,083 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 Killeen–Fort Hood Regional Airport and Southern Illinois Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | GRK / KGRK |
Airport Name: | Killeen–Fort Hood Regional Airport |
Location: | Fort Hood / Killeen, Texas, United States |
GPS Coordinates: | 31°4'1"N by 97°49'44"W |
Airport Type: | Public |
Elevation: | 1015 feet (309 meters) |
# of Runways: | 1 |
View all routes: | Routes from GRK |
More Information: | GRK Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | MDH / KMDH |
Airport Name: | Southern Illinois Airport |
Location: | Carbondale/Murphysboro, Illinois, United States |
GPS Coordinates: | 37°46'41"N by 89°15'6"W |
Area Served: | Carbondale / Murphysboro, Illinois |
Airport Type: | Public |
Elevation: | 411 feet (125 meters) |
# of Runways: | 3 |
View all routes: | Routes from MDH |
More Information: | MDH Maps & Info |
Facts about Killeen–Fort Hood Regional Airport (GRK):
- The closest airport to Killeen–Fort Hood Regional Airport (GRK) is Hood Army Airfield (HLR), which is located only 8 miles (14 kilometers) NE of GRK.
- Killeen–Fort Hood Regional Airport (GRK) currently has only 1 runway.
- The furthest airport from Killeen–Fort Hood Regional Airport (GRK) is Sir Gaëtan Duval Airport (RRG), which is located 11,030 miles (17,751 kilometers) away in Rodrigues Island, Mauritius.
Facts about Southern Illinois Airport (MDH):
- The closest airport to Southern Illinois Airport (MDH) is Williamson County Regional Airport (MWA), which is located only 13 miles (21 kilometers) E of MDH.
- The airport is capable of accommodating a variety of aircraft up to and including the Boeing 757.
- The furthest airport from Southern Illinois Airport (MDH) is Margaret River Airport (MGV), which is located 11,052 miles (17,786 kilometers) away in Margaret River, Western Australia, Australia.
- Southern Illinois Airport (MDH) has 3 runways.
- Because of Southern Illinois Airport's relatively low elevation of 411 feet, planes can take off or land at Southern Illinois 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.
- Southern Illinois Airport is also the home operating base for Southern Illinois University's aviation flight and aviation technologies programs.