Nonstop flight route between Easton, Washington, United States and Atwater, California, United States:
Departure Airport:

Arrival Airport:

Distance from ESW to MER:
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- About this route
- ESW Airport Information
- MER Airport Information
- Facts about ESW
- Facts about MER
- Map of Nearest Airports to ESW
- List of Nearest Airports to ESW
- Map of Furthest Airports from ESW
- List of Furthest Airports from ESW
- Map of Nearest Airports to MER
- List of Nearest Airports to MER
- Map of Furthest Airports from MER
- List of Furthest Airports from MER
About this route:
A direct, nonstop flight between Easton State Airport (ESW), Easton, Washington, United States and Castle Airport (MER), Atwater, California, United States would travel a Great Circle distance of 683 miles (or 1,099 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 Easton State Airport and Castle Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | ESW / KESW |
Airport Name: | Easton State Airport |
Location: | Easton, Washington, United States |
GPS Coordinates: | 47°15'15"N by 121°11'8"W |
Area Served: | Easton, Washington |
Operator/Owner: | WSDOT Aviation Division |
Airport Type: | Public |
Elevation: | 2226 feet (678 meters) |
# of Runways: | 1 |
View all routes: | Routes from ESW |
More Information: | ESW Maps & Info |
Arrival 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 |
Facts about Easton State Airport (ESW):
- Easton State Airport is a public use airport located two nautical miles north of the central business district of Easton, in Kittitas County, Washington, United States.
- The closest airport to Easton State Airport (ESW) is Bowers Field (ELN), which is located 34 miles (55 kilometers) ESE of ESW.
- Easton State Airport covers an area of 28 acres and has a runway designated 9/27 with a turf surface measuring 2,640 by 100 feet, with a 300 feet displaced threshold on the west end.
- The furthest airport from Easton State Airport (ESW) is Tôlanaro Airport (FTU), which is located 10,770 miles (17,332 kilometers) away in Tôlanaro, Madagascar.
- Easton State Airport (ESW) currently has only 1 runway.
Facts about Castle Airport (MER):
- 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.
- The furthest airport from Castle Airport (MER) is Tôlanaro Airport (FTU), which is located 11,312 miles (18,204 kilometers) away in Tôlanaro, Madagascar.
- 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.
- Castle Airport (MER) currently has only 1 runway.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of 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.
- 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.