Nonstop flight route between Atwater, California, United States and Rampart, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from MER to RMP:
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- About this route
- MER Airport Information
- RMP Airport Information
- Facts about MER
- Facts about RMP
- 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 RMP
- List of Nearest Airports to RMP
- Map of Furthest Airports from RMP
- List of Furthest Airports from RMP
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Rampart Airport (RMP), Rampart, Alaska, United States would travel a Great Circle distance of 2,278 miles (or 3,666 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 relatively short distance between Castle Airport and Rampart Airport, the route shown on this map most likely still appears to be a straight line.
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: | RMP / |
Airport Name: | Rampart Airport |
Location: | Rampart, Alaska, United States |
GPS Coordinates: | 65°30'28"N by 150°8'26"W |
Area Served: | Rampart, Alaska |
Operator/Owner: | Alaska DOT&PF - Northern Region |
Airport Type: | Public |
Elevation: | 307 feet (94 meters) |
# of Runways: | 1 |
View all routes: | Routes from RMP |
More Information: | RMP Maps & Info |
Facts about Castle Airport (MER):
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.
- With its central location in the San Joaquin Valley, on the route of the proposed California High-Speed Rail system, and with a large, underdeveloped site, Castle Airport has been submitted as a possible location for the central maintenance facility for the system.
- 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 covers an area of 1,360 acres which contains one runway with an 11,802 x 150 ft asphalt and concrete pavement.
- Castle Airport (MER) currently has only 1 runway.
- In 2004, recommendations were made to relocate the 129th Rescue Wing of the California Air National Guard and its associated HC-130, MC-130 and HH-60 aircraft from Moffett Federal Airfield to the former Castle Air Force Base, now Castle Airport.
- The furthest airport from Castle Airport (MER) is Tôlanaro Airport (FTU), which is located 11,312 miles (18,204 kilometers) away in Tôlanaro, Madagascar.
- The airport is located at the former Castle Air Force Base which closed in 1995.
Facts about Rampart Airport (RMP):
- Because of Rampart Airport's relatively low elevation of 307 feet, planes can take off or land at Rampart 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.
- As per Federal Aviation Administration records, the airport had 224 passenger boardings in calendar year 2008, 159 enplanements in 2009, and 224 in 2010.
- The furthest airport from Rampart Airport (RMP) is Port Elizabeth International Airport (PLZ), which is located 10,252 miles (16,498 kilometers) away in Port Elizabeth, South Africa.
- Rampart Airport (RMP) currently has only 1 runway.
- The closest airport to Rampart Airport (RMP) is Five Mile Airport (FMC), which is located 30 miles (49 kilometers) NNE of RMP.