Nonstop flight route between Atwater, California, United States and Goldsboro, North Carolina, United States:
Departure Airport:

Arrival Airport:

Distance from MER to GSB:
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- About this route
- MER Airport Information
- GSB Airport Information
- Facts about MER
- Facts about GSB
- 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 GSB
- List of Nearest Airports to GSB
- Map of Furthest Airports from GSB
- List of Furthest Airports from GSB
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Seymour Johnson Air Force Base (GSB), Goldsboro, North Carolina, United States would travel a Great Circle distance of 2,355 miles (or 3,790 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 Seymour Johnson Air Force Base, 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: | GSB / KGSB |
Airport Names: |
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Location: | Goldsboro, North Carolina, United States |
GPS Coordinates: | 35°20'21"N by 77°57'38"W |
View all routes: | Routes from GSB |
More Information: | GSB Maps & Info |
Facts about Castle Airport (MER):
- Castle Airport (MER) currently has only 1 runway.
- 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 furthest airport from Castle Airport (MER) is Tôlanaro Airport (FTU), which is located 11,312 miles (18,204 kilometers) away in Tôlanaro, Madagascar.
- 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.
Facts about Seymour Johnson Air Force Base (GSB):
- The closest airport to Seymour Johnson Air Force Base (GSB) is Kinston Regional Jetport (ISO), which is located only 20 miles (32 kilometers) E of GSB.
- The furthest airport from Seymour Johnson Air Force Base (GSB) is Margaret River Airport (MGV), which is located 11,689 miles (18,811 kilometers) away in Margaret River, Western Australia, Australia.
- On 15 August 1947, Seymour Johnson Army Airfield was closed.
- The United States Air Force Reserve's 916th Air Refueling Wing supports routine refueling missions for other Air Force, Navy, Marine Corps and allied aircraft under the direction of the 4th Air Force and Headquarters, Air Force Reserve Command.
- In addition to being known as "Seymour Johnson Air Force Base", another name for GSB is "Seymour Johnson AFB".
- The first exclusively Reserve KC-10 crew flew out of Seymour Johnson on 29 October 1985.
- On 4 December 1965, the 333d TFS deployed to Korat RTAFB for combat operations.
- After the airfield's closure in 1947, local community leaders campaigned for many years to reopen Seymour Johnson.
- With its operational training mission ended, in September 1945 and the field became an Army-Air Force Separation Center under the 123d AAF Base Unit.