Map of flight path and driving directions from Great Falls to Flagstaff.
Shortest flight path between Great Falls International Airport (GTF) and Flagstaff Pulliam Airport (FLG).
How far is Flagstaff from Great Falls?
There are several ways to calculate distances between Great Falls and Flagstaff. Here are two common methods:Vincenty's formula (applied above)
- 851.963 miles
- 1371.102 kilometers
- 740.336 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
- 852.995 miles
- 1372.762 kilometers
- 741.232 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).
Time difference and current local times
The time difference between Great Falls and Flagstaff is 1 hour. Flagstaff is 1 hour behind Great Falls.
Great Falls, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 140 kg (308 pounds).
Frequent Flyer Miles Calculator
Great Falls (GTF) → Flagstaff (FLG).