Nonstop flight route between Atwater, California, United States and Tonopah, Nevada, United States:
Departure Airport:

Arrival Airport:

Distance from MER to TPH:
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- About this route
- MER Airport Information
- TPH Airport Information
- Facts about MER
- Facts about TPH
- 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 TPH
- List of Nearest Airports to TPH
- Map of Furthest Airports from TPH
- List of Furthest Airports from TPH
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Tonopah Airport (TPH), Tonopah, Nevada, United States would travel a Great Circle distance of 196 miles (or 315 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 Tonopah 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: | TPH / KTPH |
Airport Name: | Tonopah Airport |
Location: | Tonopah, Nevada, United States |
GPS Coordinates: | 38°3'37"N by 117°5'12"W |
Area Served: | Tonopah, Nevada |
Operator/Owner: | Nye County |
Airport Type: | Public |
Elevation: | 5430 feet (1,655 meters) |
# of Runways: | 2 |
View all routes: | Routes from TPH |
More Information: | TPH Maps & Info |
Facts about Castle Airport (MER):
- 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.
- 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.
- EPA investigations have been completed at multiple areas of contamination including landfills, discharge areas, chemical disposal areas, fire training areas, fuel spill areas, and polychlorinated biphenyl spill areas.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.
- 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.
- 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.
Facts about Tonopah Airport (TPH):
- The furthest airport from Tonopah Airport (TPH) is Pierrefonds Airport (ZSE), which is located 11,197 miles (18,020 kilometers) away in Saint-Pierre, Réunion.
- Because of Tonopah Airport's high elevation of 5,430 feet, planes must typically fly at a faster airspeed in order to takeoff or land at TPH. Combined with a high temperature, this could make TPH a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The closest airport to Tonopah Airport (TPH) is Tonopah Test Range Airport (XSD), which is located 25 miles (40 kilometers) SE of TPH.
- Tonopah Airport (TPH) has 2 runways.