Nonstop flight route between Friday Harbor, Washington, United States and Atwater, California, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from FRD to MER:
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- About this route
- FRD Airport Information
- MER Airport Information
- Facts about FRD
- Facts about MER
- Map of Nearest Airports to FRD
- List of Nearest Airports to FRD
- Map of Furthest Airports from FRD
- List of Furthest Airports from FRD
- 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 Friday Harbor Airport (FRD), Friday Harbor, Washington, United States and Castle Airport (MER), Atwater, California, United States would travel a Great Circle distance of 780 miles (or 1,255 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 Friday Harbor 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: | FRD / KFHR | 
| Airport Names: | 
 | 
| Location: | Friday Harbor, Washington, United States | 
| GPS Coordinates: | 48°31'18"N by 123°1'27"W | 
| Area Served: | Friday Harbor, Washington | 
| Operator/Owner: | Port of Friday Harbor | 
| Airport Type: | Public | 
| Elevation: | 113 feet (34 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from FRD | 
| More Information: | FRD 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 Friday Harbor Airport (FRD):
- Because of Friday Harbor Airport's relatively low elevation of 113 feet, planes can take off or land at Friday Harbor 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.
- Friday Harbor Airport (FRD) currently has only 1 runway.
- Friday Harbor is the default airport of Microsoft Flight Simulator X.
- The furthest airport from Friday Harbor Airport (FRD) is Tôlanaro Airport (FTU), which is located 10,726 miles (17,261 kilometers) away in Tôlanaro, Madagascar.
- The closest airport to Friday Harbor Airport (FRD) is Friday Harbor Seaplane Base (FBS), which is located only 1 miles (2 kilometers) NNE of FRD.
- In addition to being known as "Friday Harbor Airport", another name for FRD is "FHR".
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.
- The airport is located at the former Castle Air Force Base which closed in 1995.
- 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.
- 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 Air Museum is 500 yards away, displaying over 50 restored World War II, Korean War, and Cold War era aircraft.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.




