Nonstop flight route between Atwater, California, United States and Biratnagar, Nepal:
Departure Airport:

Arrival Airport:

Distance from MER to BIR:
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- About this route
- MER Airport Information
- BIR Airport Information
- Facts about MER
- Facts about BIR
- 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 BIR
- List of Nearest Airports to BIR
- Map of Furthest Airports from BIR
- List of Furthest Airports from BIR
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Biratnagar Airport (BIR), Biratnagar, Nepal would travel a Great Circle distance of 7,669 miles (or 12,342 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 Biratnagar 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 Biratnagar 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: | BIR / VNVT |
Airport Name: | Biratnagar Airport |
Location: | Biratnagar, Nepal |
GPS Coordinates: | 26°28'53"N by 87°15'50"E |
Area Served: | Biratnagar, Nepal |
Operator/Owner: | Government |
Airport Type: | Public |
Elevation: | 236 feet (72 meters) |
# of Runways: | 1 |
View all routes: | Routes from BIR |
More Information: | BIR Maps & Info |
Facts about Castle Airport (MER):
- It serves one school, Sierra Academy of Aeronautics, which specializes in training foreign pilots, from the People's Republic of China.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.
- 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.
- Castle Airport (MER) currently has only 1 runway.
- The EPA currently has this base listed on their database due to the bulk wastes such as solvents, oils, fuels, and sludges which were disposed in pits at landfills around the base until 1977.
- The furthest airport from Castle Airport (MER) is Tôlanaro Airport (FTU), which is located 11,312 miles (18,204 kilometers) away in Tôlanaro, Madagascar.
Facts about Biratnagar Airport (BIR):
- The furthest airport from Biratnagar Airport (BIR) is Mataveri International Airport (IPC), which is located 11,408 miles (18,359 kilometers) away in Easter Island, Chile.
- The closest airport to Biratnagar Airport (BIR) is Bhojpur Airport (BHP), which is located 48 miles (77 kilometers) NNW of BIR.
- Biratnagar Airport (BIR) currently has only 1 runway.
- Because of Biratnagar Airport's relatively low elevation of 236 feet, planes can take off or land at Biratnagar 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.
- List of airports in Nepal