Nonstop flight route between Koyuk, Alaska, United States and Atwater, California, United States:

About this route:

A direct, nonstop flight between Koyuk Alfred Adams Airport (KKA), Koyuk, Alaska, United States and Castle Airport (MER), Atwater, California, United States would travel a Great Circle distance of 2,511 miles (or 4,040 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 Koyuk Alfred Adams Airport and Castle Airport, 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 Koyuk Alfred Adams Airport and Castle Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Koyuk Alfred Adams Airport (KKA):

• Koyuk Alfred Adams Airport (KKA) currently has only 1 runway.
• The furthest airport from Koyuk Alfred Adams Airport (KKA) is Cape Town International Airport (CPT), which is located 10,297 miles (16,571 kilometers) away in Cape Town, South Africa.
• Because of Koyuk Alfred Adams Airport's relatively low elevation of 154 feet, planes can take off or land at Koyuk Alfred Adams 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.
• The closest airport to Koyuk Alfred Adams Airport (KKA) is Haycock Airport (HAY), which is located only 18 miles (29 kilometers) N of KKA.

Facts about Castle Airport (MER):

• It serves one school, Sierra Academy of Aeronautics, which specializes in training foreign pilots, from the People's Republic of China.
• 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.
• 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.
• 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.
• 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.