How far is Great Falls from Spokane?
There are several ways to calculate distances between Spokane and Great Falls. Here are two common methods:Vincenty's formula (applied above)
- 288.331 miles
- 464.024 kilometers
- 250.553 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
- 287.484 miles
- 462.661 kilometers
- 249.817 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).
Estimated flight time from Spokane International Airport (GEG) to Great Falls International Airport (GTF) is 1 hour 2 minutes.
Time difference and current local times
The time difference between Spokane and Great Falls is 1 hour. Great Falls is 1 hour ahead of Spokane.
Great Falls, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 65 kg (143 pounds).
Spokane to Great Falls flight map.
Frequent Flyer Miles Calculator
Spokane (GEG) → Great Falls (GTF).