Nonstop flight route between Marathon, Florida, United States and Big Mountain, Alaska, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from MTH to BMX:
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- About this route
- MTH Airport Information
- BMX Airport Information
- Facts about MTH
- Facts about BMX
- Map of Nearest Airports to MTH
- List of Nearest Airports to MTH
- Map of Furthest Airports from MTH
- List of Furthest Airports from MTH
- Map of Nearest Airports to BMX
- List of Nearest Airports to BMX
- Map of Furthest Airports from BMX
- List of Furthest Airports from BMX
About this route:
A direct, nonstop flight between Florida Keys Marathon Airport (MTH), Marathon, Florida, United States and Big Mountain Air Force Station (BMX), Big Mountain, Alaska, United States would travel a Great Circle distance of 4,210 miles (or 6,775 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 Florida Keys Marathon Airport and Big Mountain Air Force Station, 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 Florida Keys Marathon Airport and Big Mountain Air Force Station. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | MTH / KMTH | 
| Airport Name: | Florida Keys Marathon Airport | 
| Location: | Marathon, Florida, United States | 
| GPS Coordinates: | 24°43'33"N by 81°3'5"W | 
| Operator/Owner: | Monroe County | 
| Airport Type: | Public | 
| Elevation: | 7 feet (2 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from MTH | 
| More Information: | MTH Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | BMX / PABM | 
| Airport Names: | 
 | 
| Location: | Big Mountain, Alaska, United States | 
| GPS Coordinates: | 59°21'39"N by 155°15'32"W | 
| Operator/Owner: | U.S. Air Force | 
| Airport Type: | Military | 
| Elevation: | 663 feet (202 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from BMX | 
| More Information: | BMX Maps & Info | 
Facts about Florida Keys Marathon Airport (MTH):
- Because of Florida Keys Marathon Airport's relatively low elevation of 7 feet, planes can take off or land at Florida Keys Marathon 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.
- Marathon Airport was served by American Eagle Airlines until 2000.
- Florida Keys Marathon Airport (MTH) currently has only 1 runway.
- The closest airport to Florida Keys Marathon Airport (MTH) is NAS Key West (NQX), which is located 41 miles (67 kilometers) WSW of MTH.
- The furthest airport from Florida Keys Marathon Airport (MTH) is Cocos (Keeling) Island Airport (CCK), which is located 11,560 miles (18,603 kilometers) away in Cocos Islands, Australia.
- Marathon Airport was originally constructed by the United States Navy in the early 1940s as Outlying Field Marathon, an auxiliary airfield to Naval Air Station Key West.
Facts about Big Mountain Air Force Station (BMX):
- The furthest airport from Big Mountain Air Force Station (BMX) is Port Elizabeth International Airport (PLZ), which is located 10,683 miles (17,193 kilometers) away in Port Elizabeth, South Africa.
- Because of Big Mountain Air Force Station's relatively low elevation of 663 feet, planes can take off or land at Big Mountain Air Force Station 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.
- Big Mountain Air Force Station (BMX) currently has only 1 runway.
- In addition to being known as "Big Mountain Air Force Station", another name for BMX is "37AK".
- The closest airport to Big Mountain Air Force Station (BMX) is Kokhanok Airport (KNK), which is located only 17 miles (27 kilometers) ENE of BMX.




