Air Miles Calculator

Distance between Great Falls, MT (GTF) and Flagstaff, AZ (FLG)

Flight distance from Great Falls to Flagstaff (Great Falls International Airport – Flagstaff Pulliam Airport) is 852 miles / 1371 kilometers / 740 nautical miles. Estimated flight time is 2 hours 6 minutes.

Driving distance from Great Falls (GTF) to Flagstaff (FLG) is 1094 miles / 1760 kilometers and travel time by car is about 19 hours 6 minutes.

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).

Airport information


A Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W

B Flagstaff Pulliam Airport
City: Flagstaff, AZ
Country: United States Flag of United States
IATA Code: FLG
ICAO Code: KFLG
Coordinates: 35°8′18″N, 111°40′15″W

Time difference and current local times

There is no time difference between Great Falls and Flagstaff.

Time Difference

Great Falls, MT

 MST

Flagstaff, AZ

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 140 kg (308 pounds).

Frequent Flyer Miles Calculator

Great Falls (GTF) → Flagstaff (FLG).

Distance:
852
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
852

Round trip?