How far is Great Falls, MT, from Alamosa, CO?
The distance between Alamosa (San Luis Valley Regional Airport) and Great Falls (Great Falls International Airport) is 748 miles / 1204 kilometers / 650 nautical miles.
The driving distance from Alamosa (ALS) to Great Falls (GTF) is 1013 miles / 1631 kilometers, and travel time by car is about 19 hours 19 minutes.
San Luis Valley Regional Airport – Great Falls International Airport
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Distance from Alamosa to Great Falls
There are several ways to calculate the distance from Alamosa to Great Falls. 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 Alamosa to Great Falls?
The estimated flight time from San Luis Valley Regional Airport to Great Falls International Airport is 1 hour and 54 minutes.
What is the time difference between Alamosa and Great Falls?
There is no time difference between Alamosa and Great Falls.
Flight carbon footprint between San Luis Valley Regional Airport (ALS) and Great Falls International Airport (GTF)
On average, flying from Alamosa to Great Falls 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 Alamosa to Great Falls
See the map of the shortest flight path between San Luis Valley Regional Airport (ALS) and Great Falls International Airport (GTF).
Airport information
| Origin | 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 |
| Destination | 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 |