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

Arrival Airport:

Distance from MER to MAT:
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- About this route
- MER Airport Information
- MAT Airport Information
- Facts about MER
- Facts about MAT
- Map of Nearest Airports to MER
- List of Nearest Airports to MER
- Map of Furthest Airports from MER
- List of Furthest Airports from MER
- 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 Castle Airport (MER), Atwater, California, United States and Tshimpi Airport (Matadi Airport) (MAT), Matadi, Democratic Republic of the Congo would travel a Great Circle distance of 8,819 miles (or 14,192 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 Castle 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 Castle 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: | MER / KMER |
Airport Name: | Castle Airport |
Location: | Atwater, California, United States |
GPS Coordinates: | 37°22'50"N by 120°34'5"W |
Operator/Owner: | Merced County Department of Commerce, Aviation, and Economic Development |
Airport Type: | Public |
Elevation: | 191 feet (58 meters) |
# of Runways: | 1 |
View all routes: | Routes from MER |
More Information: | MER 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 Castle Airport (MER):
- The furthest airport from Castle Airport (MER) is Tôlanaro Airport (FTU), which is located 11,312 miles (18,204 kilometers) away in Tôlanaro, Madagascar.
- It was estimated that the cost to relocate the 129 RQW to Castle, to include associated military construction costs, could be recouped in seven years.
- Since the mid-1940s, aircraft maintenance, fuel management, and fire training activities on the base have generated wastes that consist primarily of waste fuels, oils, solvents, and cleaners.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.
- Castle Airport (MER) currently has only 1 runway.
- Because of Castle Airport's relatively low elevation of 191 feet, planes can take off or land at Castle 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):
- The closest airport to Tshimpi Airport (Matadi Airport) (MAT) is Boma Airport (BOA), which is located 26 miles (42 kilometers) W of 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.