Nonstop flight route between Alamosa, Colorado, United States and Pierre, South Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from ALS to PIR:
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- About this route
- ALS Airport Information
- PIR Airport Information
- Facts about ALS
- Facts about PIR
- 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 PIR
- List of Nearest Airports to PIR
- Map of Furthest Airports from PIR
- List of Furthest Airports from PIR
About this route:
A direct, nonstop flight between San Luis Valley Regional Airport (ALS), Alamosa, Colorado, United States and Pierre Regional Airport (PIR), Pierre, South Dakota, United States would travel a Great Circle distance of 561 miles (or 903 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 San Luis Valley Regional Airport and Pierre Regional Airport, the route shown on this map most likely still appears to be a straight line.
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: | PIR / KPIR |
Airport Names: |
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Location: | Pierre, South Dakota, United States |
GPS Coordinates: | 44°22'58"N by 100°17'9"W |
Area Served: | Pierre, South Dakota |
Operator/Owner: | City of Pierre |
Airport Type: | Public |
Elevation: | 1744 feet (532 meters) |
# of Runways: | 2 |
View all routes: | Routes from PIR |
More Information: | PIR Maps & Info |
Facts about San Luis Valley Regional Airport (ALS):
- 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.
- In addition to being known as "San Luis Valley Regional Airport", another name for ALS is "Bergman Field".
- 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.
- San Luis Valley Regional Airport (ALS) has 2 runways.
- The airport covers 1,700 acres at an elevation of 7,539 feet.
- 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 Pierre Regional Airport (PIR):
- During World War II the airfield was used by the United States Army Air Forces by Air Technical Service Command as a maintenance and supply depot.
- Pierre Regional Airport is a city owned, public airport three miles east of Pierre, in Hughes County, South Dakota.
- In addition to being known as "Pierre Regional Airport", another name for PIR is "Pierre Army Airfield".
- Until June 30, 2006, service on Great Lakes Airlines to Denver was subsidized by the Essential Air Service program.
- The furthest airport from Pierre Regional Airport (PIR) is Sir Gaëtan Duval Airport (RRG), which is located 10,493 miles (16,887 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Pierre Regional Airport (PIR) is Mobridge Municipal Airport (MBG), which is located 81 miles (130 kilometers) N of PIR.
- Pierre Regional Airport (PIR) has 2 runways.
- A new terminal has been designed, and construction began in late Spring, 2011.