Nonstop flight route between Great Falls, Montana, United States and Half Moon Bay, California, United States:
Departure Airport:

Arrival Airport:

Distance from GFA to HAF:
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- About this route
- GFA Airport Information
- HAF Airport Information
- Facts about GFA
- Facts about HAF
- Map of Nearest Airports to GFA
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- Map of Furthest Airports from GFA
- List of Furthest Airports from GFA
- Map of Nearest Airports to HAF
- List of Nearest Airports to HAF
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- List of Furthest Airports from HAF
About this route:
A direct, nonstop flight between Malmstrom Air Force Base (GFA), Great Falls, Montana, 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 897 miles (or 1,444 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 Malmstrom Air Force Base and Half Moon Bay AirportHalf Moon Bay Flight Strip, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | GFA / KGFA |
Airport Names: |
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Location: | Great Falls, Montana, United States |
GPS Coordinates: | 47°30'16"N by 111°11'13"W |
View all routes: | Routes from GFA |
More Information: | GFA Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | HAF / KHAF |
Airport Name: | Half Moon Bay AirportHalf Moon Bay Flight Strip |
Location: | Half Moon Bay, California, United States |
GPS Coordinates: | 37°30'47"N by 122°30'3"W |
Operator/Owner: | San Mateo County |
Airport Type: | Public |
Elevation: | 66 feet (20 meters) |
# of Runways: | 1 |
View all routes: | Routes from HAF |
More Information: | HAF Maps & Info |
Facts about Malmstrom Air Force Base (GFA):
- Great Falls played a major aerial defense role in North American air defense mission.
- The furthest airport from Malmstrom Air Force Base (GFA) is Sir Gaëtan Duval Airport (RRG), which is located 10,495 miles (16,891 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Malmstrom Air Force Base (GFA) is Great Falls International Airport (GTF), which is located only 9 miles (14 kilometers) W of GFA.
- The 801st Radar Squadron was inactivated on 31 December 1969 due to budget reductions.
- Upon completion of the B-17 training program, in October 1943, Great Falls Army Air Base was transferred to the Air Transport Command and units from Gore Field were transferred to the base.
- In addition to being known as "Malmstrom Air Force Base", another name for GFA is "Malmstrom AFB".
- On 23 December 1959, the Air Force Ballistic Missile Committee approved the selection of Malmstrom AFB to host the first Minuteman ICBM base.
- After World War II ended Great Falls AAB assumed a support mission for military personnel assigned to Alaskan military installations.
Facts about Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF):
- Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF) currently has only 1 runway.
- The airport hosts an annual benefit event in April, Pacific Coast Dream Machines, which features aircraft and automobiles.
- 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.
- 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.
- 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.
- Following the end of World War II, San Mateo County acquired the airport from the Navy in 1947.
- Half Moon Bay Airport is a county-owned public use airport in San Mateo County, California, United States.