Nonstop flight route between Atwater, California, United States and Quoin Hill, Vanuatu:
Departure Airport:

Arrival Airport:

Distance from MER to UIQ:
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- About this route
- MER Airport Information
- UIQ Airport Information
- Facts about MER
- Facts about UIQ
- 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 UIQ
- List of Nearest Airports to UIQ
- Map of Furthest Airports from UIQ
- List of Furthest Airports from UIQ
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Quoin Hill Airfield (UIQ), Quoin Hill, Vanuatu would travel a Great Circle distance of 4,460 miles (or 7,177 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 Quoin Hill Airfield, 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 Quoin Hill Airfield. 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: | UIQ / NVVQ |
Airport Name: | Quoin Hill Airfield |
Location: | Quoin Hill, Vanuatu |
GPS Coordinates: | 17°32'23"N by 168°26'31"E |
View all routes: | Routes from UIQ |
More Information: | UIQ Maps & Info |
Facts about Castle Airport (MER):
- It was estimated that the cost to relocate the 129 RQW to Castle, to include associated military construction costs, could be recouped in seven years.
- Castle Air Museum is 500 yards away, displaying over 50 restored World War II, Korean War, and Cold War era aircraft.
- 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 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.
- It serves one school, Sierra Academy of Aeronautics, which specializes in training foreign pilots, from the People's Republic of China.
Facts about Quoin Hill Airfield (UIQ):
- The closest airport to Quoin Hill Airfield (UIQ) is Wake Island Airfield (AWK), which is located 169 miles (272 kilometers) NW of UIQ.
- The furthest airport from Quoin Hill Airfield (UIQ) is RAF Ascension (ASI), which is located 11,749 miles (18,907 kilometers) away in Georgetown, Ascension Island, Saint Helena.
- A site was chosen for a bomber airfield and in October the Seebees started constructing a 6,000 feet by 200 feet runway which was completed by the middle of January 1943.
- Investigations took place in the late 1980s as to whether Quoin Hill could be used as an alternate for Bauerfield International Airport, but this never came to fruition.