Nonstop flight route between Marathon, Florida, United States and Mendi, Papua New Guinea:
Departure Airport:

Arrival Airport:

Distance from MTH to MDU:
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- About this route
- MTH Airport Information
- MDU Airport Information
- Facts about MTH
- Facts about MDU
- 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 MDU
- List of Nearest Airports to MDU
- Map of Furthest Airports from MDU
- List of Furthest Airports from MDU
About this route:
A direct, nonstop flight between Florida Keys Marathon Airport (MTH), Marathon, Florida, United States and Mendi Airport (MDU), Mendi, Papua New Guinea would travel a Great Circle distance of 9,214 miles (or 14,829 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 Mendi Airport, 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 Mendi Airport. 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: | MDU / AYMN |
Airport Name: | Mendi Airport |
Location: | Mendi, Papua New Guinea |
GPS Coordinates: | 6°8'51"S by 143°39'25"E |
Elevation: | 5680 feet (1,731 meters) |
# of Runways: | 1 |
View all routes: | Routes from MDU |
More Information: | MDU Maps & Info |
Facts about Florida Keys Marathon Airport (MTH):
- 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.
- 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.
- In mid summer of 2007, Delta announced it would end service to Marathon Airport due to low demand.
- The Florida Keys Marathon Airport is a public airport located along the Overseas Highway in Marathon, in Monroe County, Florida, United States.
- Florida Keys Marathon Airport (MTH) currently has only 1 runway.
Facts about Mendi Airport (MDU):
- The closest airport to Mendi Airport (MDU) is Moro Airport (MXH), which is located 32 miles (52 kilometers) WSW of MDU.
- Mendi Airport (MDU) currently has only 1 runway.
- The furthest airport from Mendi Airport (MDU) is Pinto Martins – Fortaleza International Airport (FOR), which is located 11,735 miles (18,885 kilometers) away in Fortaleza, Ceará, Brazil.
- Because of Mendi Airport's high elevation of 5,680 feet, planes must typically fly at a faster airspeed in order to takeoff or land at MDU. Combined with a high temperature, this could make MDU a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.