Calculations with different methods
- 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 earth.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).
Estimated flight time from San Luis Valley Regional Airport (ALS) to Great Falls International Airport (GTF) is 1 hour 54 minutes.
Time difference and current local times
There is no time difference between Alamosa and Great Falls.
Great Falls, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 117 kg (258 pounds).
Alamosa to Great Falls flight map.
Frequent Flyer Miles Calculator
Alamosa (ALS) → Great Falls (GTF).