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

Arrival Airport:

Distance from MER to UMT:
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- About this route
- MER Airport Information
- UMT Airport Information
- Facts about MER
- Facts about UMT
- 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 UMT
- List of Nearest Airports to UMT
- Map of Furthest Airports from UMT
- List of Furthest Airports from UMT
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Umiat Airport (UMT), Umiat, Alaska, United States would travel a Great Circle distance of 2,503 miles (or 4,028 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 Umiat 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 Umiat 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: | UMT / PAUM |
Airport Name: | Umiat Airport |
Location: | Umiat, Alaska, United States |
GPS Coordinates: | 69°22'15"N by 152°8'5"W |
Area Served: | Umiat, Alaska |
Operator/Owner: | State of Alaska DOT&PF - Northern Region |
Airport Type: | Public |
Elevation: | 267 feet (81 meters) |
# of Runways: | 1 |
View all routes: | Routes from UMT |
More Information: | UMT Maps & Info |
Facts about Castle Airport (MER):
- 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.
- 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.
- 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.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of 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.
- Castle Air Museum is 500 yards away, displaying over 50 restored World War II, Korean War, and Cold War era aircraft.
- Castle Airport (MER) currently has only 1 runway.
Facts about Umiat Airport (UMT):
- The closest airport to Umiat Airport (UMT) is Nuiqsut Airport (NUI), which is located 64 miles (103 kilometers) NNE of UMT.
- Umiat Airport (UMT) currently has only 1 runway.
- The furthest airport from Umiat Airport (UMT) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,143 miles (16,324 kilometers) away in Villa Las Estrellas, Antarctica.
- Because of Umiat Airport's relatively low elevation of 267 feet, planes can take off or land at Umiat 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.