Nonstop flight route between Atwater, California, United States and Greenville, South Carolina, United States:
Departure Airport:

Arrival Airport:

Distance from MER to GMU:
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- About this route
- MER Airport Information
- GMU Airport Information
- Facts about MER
- Facts about GMU
- 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 GMU
- List of Nearest Airports to GMU
- Map of Furthest Airports from GMU
- List of Furthest Airports from GMU
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Greenville Downtown Airport (GMU), Greenville, South Carolina, United States would travel a Great Circle distance of 2,126 miles (or 3,421 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 Greenville Downtown 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: | GMU / KGMU |
Airport Names: |
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Location: | Greenville, South Carolina, United States |
GPS Coordinates: | 34°50'53"N by 82°20'59"W |
Area Served: | Greenville, South Carolina |
Operator/Owner: | Greenville Airport Commission |
Airport Type: | Public |
Elevation: | 1048 feet (319 meters) |
# of Runways: | 2 |
View all routes: | Routes from GMU |
More Information: | GMU Maps & Info |
Facts about Castle Airport (MER):
- Castle Air Museum is 500 yards away, displaying over 50 restored World War II, Korean War, and Cold War era aircraft.
- 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 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.
- 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.
Facts about Greenville Downtown Airport (GMU):
- The furthest airport from Greenville Downtown Airport (GMU) is Margaret River Airport (MGV), which is located 11,441 miles (18,413 kilometers) away in Margaret River, Western Australia, Australia.
- In addition to being known as "Greenville Downtown Airport", another name for GMU is "(Greenville Municipal Airport)".
- The closest airport to Greenville Downtown Airport (GMU) is Donaldson Center Airport (GDC), which is located only 6 miles (10 kilometers) SSW of GMU.
- Located at GMU are many companies that provide aviation services like aircraft rental and flight instruction, aircraft maintenance, helicopter services and flight instruction, aircraft management, fuel service, aircraft sales, air charter and air taxi services.
- Greenville Downtown Airport (GMU) has 2 runways.
- The FAA Southern Region recently selected GMU to receive its General Aviation Airport Safety Award.
- In 1954 Charles Lindbergh dedicated the new terminal.
- The airport was replaced by the Greenville-Spartanburg Airport which opened October 15, 1962.
- Greenville Downtown Airport is a public use airport located three nautical miles east of the central business district of Greenville, a city in Greenville County, South Carolina, United States.