Nonstop flight route between Alamosa, Colorado, United States and Saipan Island, Northern Mariana Islands:
Departure Airport:

Arrival Airport:

Distance from ALS to SPN:
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- About this route
- ALS Airport Information
- SPN Airport Information
- Facts about ALS
- Facts about SPN
- Map of Nearest Airports to ALS
- List of Nearest Airports to ALS
- Map of Furthest Airports from ALS
- List of Furthest Airports from ALS
- Map of Nearest Airports to SPN
- List of Nearest Airports to SPN
- Map of Furthest Airports from SPN
- List of Furthest Airports from SPN
About this route:
A direct, nonstop flight between San Luis Valley Regional Airport (ALS), Alamosa, Colorado, United States and Saipan International Airport (SPN), Saipan Island, Northern Mariana Islands would travel a Great Circle distance of 6,549 miles (or 10,540 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 San Luis Valley Regional Airport and Saipan International 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 San Luis Valley Regional Airport and Saipan International Airport. You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | SPN / PGSN |
Airport Names: |
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Location: | Saipan Island, Northern Mariana Islands |
GPS Coordinates: | 15°7'8"N by 145°43'45"E |
Operator/Owner: | Commonwealth Ports Authority |
Airport Type: | Public |
Elevation: | 215 feet (66 meters) |
# of Runways: | 1 |
View all routes: | Routes from SPN |
More Information: | SPN Maps & Info |
Facts about San Luis Valley Regional Airport (ALS):
- In addition to being known as "San Luis Valley Regional Airport", another name for ALS is "Bergman Field".
- San Luis Valley Regional Airport (ALS) has 2 runways.
- 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.
- 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 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.
Facts about Saipan International Airport (SPN):
- Saipan International Airport (SPN) currently has only 1 runway.
- Saipan International Airport commenced operation on 25 July 1976 taking over from the nearby Kobler Field.Continental Micronesia initially had its main hub at Kobler Field and then Saipan Airport.
- In addition to being known as "Saipan International Airport", other names for SPN include "Francisco C. Ada Airport" and "GSN".
- Because of Saipan International Airport's relatively low elevation of 215 feet, planes can take off or land at Saipan International 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 Saipan International Airport (SPN) is Tinian International Airport (TIQ), which is located only 11 miles (18 kilometers) SW of SPN.
- The furthest airport from Saipan International Airport (SPN) is Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho) (SSA), which is nearly antipodal to Saipan International Airport (meaning Saipan International Airport is almost on the exact opposite side of the Earth from Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho)), and is located 12,125 miles (19,514 kilometers) away in Salvador, Bahia, Brazil.
- Once in American hands, Isely Field was expanded considerably to support Twentieth Air Force B-29 Superfortress operations.