Nonstop flight route between Alton, Illinois, United States and Matadi, Democratic Republic of the Congo:
Departure Airport:

Arrival Airport:

Distance from ALN to MAT:
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- About this route
- ALN Airport Information
- MAT Airport Information
- Facts about ALN
- Facts about MAT
- Map of Nearest Airports to ALN
- List of Nearest Airports to ALN
- Map of Furthest Airports from ALN
- List of Furthest Airports from ALN
- Map of Nearest Airports to MAT
- List of Nearest Airports to MAT
- Map of Furthest Airports from MAT
- List of Furthest Airports from MAT
About this route:
A direct, nonstop flight between St. Louis Regional Airport (ALN), Alton, Illinois, United States and Tshimpi Airport (Matadi Airport) (MAT), Matadi, Democratic Republic of the Congo would travel a Great Circle distance of 7,194 miles (or 11,578 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 St. Louis Regional Airport and Tshimpi Airport (Matadi 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 St. Louis Regional Airport and Tshimpi Airport (Matadi Airport). You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | MAT / FZAM |
Airport Name: | Tshimpi Airport (Matadi Airport) |
Location: | Matadi, Democratic Republic of the Congo |
GPS Coordinates: | 5°47'53"S by 13°26'30"E |
Elevation: | 0 feet (0 meters) |
View all routes: | Routes from MAT |
More Information: | MAT Maps & Info |
Facts about St. Louis Regional Airport (ALN):
- Today a fair amount of air traffic and the Direct TV blimp comes for Cardinals playoffs, as Lambert's airport cannot take the blimp.
- Civic Memorial Airport opened in 1946 and received its current name in 1984.
- In the spring of 2004 the airport was at the center of a scandal.
- 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.
- Its operations are paid for by an airport taxation district created in 1946, which collects taxes from property owners in the Madison County townships of Alton, Wood River, Foster and Fort Russell.
- 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.
- 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.
Facts about Tshimpi Airport (Matadi Airport) (MAT):
- Because of Tshimpi Airport (Matadi Airport)'s relatively low elevation of 0 feet, planes can take off or land at Tshimpi Airport (Matadi 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 Tshimpi Airport (Matadi Airport) (MAT) is Cassidy International Airport (CXI), which is located 11,750 miles (18,909 kilometers) away in Christmas Island, Kiribati.
- The closest airport to Tshimpi Airport (Matadi Airport) (MAT) is Boma Airport (BOA), which is located 26 miles (42 kilometers) W of MAT.