Nonstop flight route between Atwater, California, United States and Twin Falls, Idaho, United States:
Departure Airport:

Arrival Airport:

Distance from MER to TWF:
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- About this route
- MER Airport Information
- TWF Airport Information
- Facts about MER
- Facts about TWF
- 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 TWF
- List of Nearest Airports to TWF
- Map of Furthest Airports from TWF
- List of Furthest Airports from TWF
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Magic Valley Regional Airport (TWF), Twin Falls, Idaho, United States would travel a Great Circle distance of 477 miles (or 768 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 Magic Valley Regional 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: | TWF / KTWF |
Airport Names: |
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Location: | Twin Falls, Idaho, United States |
GPS Coordinates: | 42°28'54"N by 114°29'16"W |
Area Served: | Twin Falls, Idaho |
Operator/Owner: | City & County of Twin Falls |
Airport Type: | Public |
Elevation: | 4154 feet (1,266 meters) |
# of Runways: | 2 |
View all routes: | Routes from TWF |
More Information: | TWF Maps & Info |
Facts about Castle Airport (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 covers an area of 1,360 acres which contains one runway with an 11,802 x 150 ft asphalt and concrete pavement.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.
- Castle Airport (MER) currently has only 1 runway.
- 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.
Facts about Magic Valley Regional Airport (TWF):
- Because of Magic Valley Regional Airport's high elevation of 4,154 feet, planes must typically fly at a faster airspeed in order to takeoff or land at TWF. Combined with a high temperature, this could make TWF a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The facility covers an area of 1,468 acres at an elevation of 4,154 feet above mean sea level.
- In addition to being known as "Magic Valley Regional Airport", another name for TWF is "Joslin Field".
- The closest airport to Magic Valley Regional Airport (TWF) is Jackpot Airport (KPT), which is located 36 miles (58 kilometers) SSW of TWF.
- Magic Valley Regional Airport (TWF) has 2 runways.
- The furthest airport from Magic Valley Regional Airport (TWF) is Pierrefonds Airport (ZSE), which is located 10,862 miles (17,481 kilometers) away in Saint-Pierre, Réunion.