Nonstop flight route between Mendi, Papua New Guinea and Alton, Illinois, United States:
Departure Airport:

Arrival Airport:

Distance from MDU to ALN:
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- About this route
- MDU Airport Information
- ALN Airport Information
- Facts about MDU
- Facts about ALN
- Map of Nearest Airports to MDU
- List of Nearest Airports to MDU
- Map of Furthest Airports from MDU
- List of Furthest Airports from MDU
- Map of Nearest Airports to ALN
- List of Nearest Airports to ALN
- Map of Furthest Airports from ALN
- List of Furthest Airports from ALN
About this route:
A direct, nonstop flight between Mendi Airport (MDU), Mendi, Papua New Guinea and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 8,408 miles (or 13,531 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 Mendi Airport and St. Louis Regional 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 Mendi Airport and St. Louis Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | ALN / KALN |
Airport Name: | St. Louis Regional Airport |
Location: | Alton, Illinois, United States |
GPS Coordinates: | 38°53'25"N by 90°2'45"W |
Area Served: | Alton, Illinois |
Operator/Owner: | St. Louis Regional |
Airport Type: | Public |
Elevation: | 544 feet (166 meters) |
# of Runways: | 2 |
View all routes: | Routes from ALN |
More Information: | ALN Maps & Info |
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.
- 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.
- 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.
Facts about St. Louis Regional Airport (ALN):
- The 2,250 acres airfield sits at 544 ft MSL.
- The closest airport to St. Louis Regional Airport (ALN) is Lambert–St. Louis International Airport (STL), which is located only 20 miles (32 kilometers) WSW of ALN.
- The furthest airport from St. Louis Regional Airport (ALN) is Margaret River Airport (MGV), which is located 11,002 miles (17,706 kilometers) away in Margaret River, Western Australia, Australia.
- St. Louis Regional Airport (ALN) has 2 runways.
- Because of St. Louis Regional Airport's relatively low elevation of 544 feet, planes can take off or land at St. Louis Regional 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.