Nonstop flight route between Diomede, Alaska, United States and Half Moon Bay, California, United States:

About this route:

A direct, nonstop flight between Diomede Heliport (FAA: DM2) (DIO), Diomede, Alaska, United States and Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF), Half Moon Bay, California, United States would travel a Great Circle distance of 2,679 miles (or 4,311 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 Diomede Heliport (FAA: DM2) and Half Moon Bay AirportHalf Moon Bay Flight Strip, 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 Diomede Heliport (FAA: DM2) and Half Moon Bay AirportHalf Moon Bay Flight Strip. 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 Diomede Heliport (FAA: DM2) (DIO):

• During the centuries, the village on Little Diomede was gradually inhabited as a permanent settlement and the entire island was incorporated into the city of Diomede in 1970.
• Because of Diomede Heliport (FAA: DM2)'s relatively low elevation of 0 feet, planes can take off or land at Diomede Heliport (FAA: DM2) 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 United States purchased Alaska from Russia in 1867 which included the Little Diomede.
• The furthest airport from Diomede Heliport (FAA: DM2) (DIO) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,411 miles (16,755 kilometers) away in Villa Las Estrellas, Antarctica.
• There is no hospital on the island and emergency services are limited due to the remoteness of the island.
• The closest airport to Diomede Heliport (FAA: DM2) (DIO) is Wales Airport (WAA), which is located 26 miles (42 kilometers) ESE of DIO.
• Water for winter use is drawn from a mountain spring, then treated and stored in 434,000-U.S.-gallon storage tanks.

Facts about Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF):

• The Half Moon Bay Airport is located approximately 20 miles south of San Francisco.
• Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF) currently has only 1 runway.
• The closest airport to Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF) is San Francisco International Airport (SFO), which is located only 10 miles (16 kilometers) NE of HAF.
• Because of Half Moon Bay AirportHalf Moon Bay Flight Strip's relatively low elevation of 66 feet, planes can take off or land at Half Moon Bay AirportHalf Moon Bay Flight Strip 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 furthest airport from Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF) is Tôlanaro Airport (FTU), which is located 11,375 miles (18,307 kilometers) away in Tôlanaro, Madagascar.