Map of flight path and driving directions from Louisville to Great Falls.
Shortest flight path between Louisville International Airport (SDF) and Great Falls International Airport (GTF).
How far is Great Falls from Louisville?
There are several ways to calculate distances between Louisville and Great Falls. Here are two common methods:Vincenty's formula (applied above)
- 1443.138 miles
- 2322.506 kilometers
- 1254.053 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
- 1440.336 miles
- 2317.996 kilometers
- 1251.618 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 Louisville and Great Falls is 2 hours. Great Falls is 2 hours behind Louisville.
Great Falls, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 176 kg (388 pounds).
Frequent Flyer Miles Calculator
Louisville (SDF) → Great Falls (GTF).