How far is Alamosa, CO, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Alamosa (San Luis Valley Regional Airport) is 748 miles / 1204 kilometers / 650 nautical miles.
The driving distance from Great Falls (GTF) to Alamosa (ALS) is 1013 miles / 1631 kilometers, and travel time by car is about 19 hours 18 minutes.
Great Falls International Airport – San Luis Valley Regional Airport
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Distance from Great Falls to Alamosa
There are several ways to calculate the distance from Great Falls to Alamosa. Here are two standard methods:
Vincenty's formula (applied above)- 747.873 miles
- 1203.586 kilometers
- 649.884 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 748.250 miles
- 1204.191 kilometers
- 650.211 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Great Falls to Alamosa?
The estimated flight time from Great Falls International Airport to San Luis Valley Regional Airport is 1 hour and 54 minutes.
What is the time difference between Great Falls and Alamosa?
There is no time difference between Great Falls and Alamosa.
Flight carbon footprint between Great Falls International Airport (GTF) and San Luis Valley Regional Airport (ALS)
On average, flying from Great Falls to Alamosa generates about 130 kg of CO2 per passenger, and 130 kilograms equals 286 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Alamosa
See the map of the shortest flight path between Great Falls International Airport (GTF) and San Luis Valley Regional Airport (ALS).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |
| Destination | San Luis Valley Regional Airport |
|---|---|
| City: | Alamosa, CO |
| Country: | United States |
| IATA Code: | ALS |
| ICAO Code: | KALS |
| Coordinates: | 37°26′5″N, 105°52′1″W |