Nonstop flight route between Great Falls, Montana, United States and Alamosa, Colorado, United States:
Departure Airport:

Arrival Airport:

Distance from GFA to ALS:
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- About this route
- GFA Airport Information
- ALS Airport Information
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- Facts about ALS
- 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 ALS
- List of Nearest Airports to ALS
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- List of Furthest Airports from ALS
About this route:
A direct, nonstop flight between Malmstrom Air Force Base (GFA), Great Falls, Montana, United States and San Luis Valley Regional Airport (ALS), Alamosa, Colorado, United States would travel a Great Circle distance of 746 miles (or 1,201 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 San Luis Valley Regional Airport, 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: | ALS / KALS |
Airport Names: |
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Location: | Alamosa, Colorado, United States |
GPS Coordinates: | 37°26'6"N by 105°51'59"W |
Area Served: | Alamosa, Colorado |
Operator/Owner: | City and County of Alamosa |
Airport Type: | Public |
Elevation: | 7539 feet (2,298 meters) |
# of Runways: | 2 |
View all routes: | Routes from ALS |
More Information: | ALS Maps & Info |
Facts about Malmstrom Air Force Base (GFA):
- At Great Falls, P-39 Airacobras, C-47 Skytrains, B-25 Mitchells, and A-20 Havocs aircraft.
- In addition to being known as "Malmstrom Air Force Base", another name for GFA is "Malmstrom AFB".
- With the phaseout of the B-36 from the inventory in the late 1950s, the need for fighter escorts of SAC bombers was eliminated.
- Great Falls played a major aerial defense role in North American air defense mission.
- 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.
- Originally named Great Falls Army Air Base, later Great Falls Air Force Base, the facility was renamed Malmstrom Air Force Base on 1 October 1955 in honor of Colonel Einar Axel Malmstrom.
- 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.
- In November 1942, a survey team evaluated an area near the Green Mill Dance Club and Rainbow Dam Road approximately six miles east of Great Falls.
- Malmstrom Air Force Base traces its beginnings back to 1939 when World War II broke out in Europe.
- Later, the 517th Air Transport Wing was redesginated the 1701st Air Transport Wing on 1 June 1948 when Air Transport Command was redesignated the Military Air Transport Service.
Facts about San Luis Valley Regional Airport (ALS):
- Because of San Luis Valley Regional Airport's high elevation of 7,539 feet, planes must typically fly at a faster airspeed in order to takeoff or land at ALS. Combined with a high temperature, this could make ALS a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The closest airport to San Luis Valley Regional Airport (ALS) is Stevens Field (FAA: PSO) (PGO), which is located 66 miles (106 kilometers) W of ALS.
- The furthest airport from San Luis Valley Regional Airport (ALS) is Sir Gaëtan Duval Airport (RRG), which is located 11,054 miles (17,790 kilometers) away in Rodrigues Island, Mauritius.
- San Luis Valley Regional Airport (ALS) has 2 runways.
- In addition to being known as "San Luis Valley Regional Airport", another name for ALS is "Bergman Field".
- Federal Aviation Administration records say the airport had 7,161 passenger boardings in calendar year 2008, 6,279 in 2009 and 6,737 in 2010.