Air Miles Calculator

Distance between Louisville, KY (SDF) and Great Falls, MT (GTF)

Flight distance from Louisville to Great Falls (Louisville International Airport – Great Falls International Airport) is 1443 miles / 2323 kilometers / 1254 nautical miles. Estimated flight time is 3 hours 13 minutes.

Driving distance from Louisville (SDF) to Great Falls (GTF) is 1685 miles / 2712 kilometers and travel time by car is about 29 hours 6 minutes.

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).

Airport information


A Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B 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

Time difference and current local times

The time difference between Louisville and Great Falls is 2 hours. Great Falls is 2 hours behind Louisville.

Time Difference

Louisville, KY

 EDT

Great Falls, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 176 kg (388 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Great Falls (GTF).

Distance:
1443
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1443

Round trip?