Air Miles Calculator

Distance between Lafayette, LA (LFT) and Great Falls, MT (GTF)

Flight distance from Lafayette to Great Falls (Lafayette Regional Airport – Great Falls International Airport) is 1576 miles / 2537 kilometers / 1370 nautical miles. Estimated flight time is 3 hours 29 minutes.

Driving distance from Lafayette (LFT) to Great Falls (GTF) is 1960 miles / 3154 kilometers and travel time by car is about 34 hours 19 minutes.

Map of flight path and driving directions from Lafayette to Great Falls.

Shortest flight path between Lafayette Regional Airport (LFT) and Great Falls International Airport (GTF).

How far is Great Falls from Lafayette?

There are several ways to calculate distances between Lafayette and Great Falls. Here are two common methods:

Vincenty's formula (applied above)
  • 1576.382 miles
  • 2536.940 kilometers
  • 1369.838 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
  • 1576.218 miles
  • 2536.677 kilometers
  • 1369.696 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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″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 Lafayette and Great Falls is 1 hour. Great Falls is 1 hour behind Lafayette.

Time Difference

Lafayette, LA

 CST

Great Falls, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 184 kg (406 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Great Falls (GTF).

Distance:
1576
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1576

Round trip?