Air Miles Calculator

Distance between Great Falls, MT (GTF) and Twin Falls, ID (TWF)

Distance from Great Falls to Twin Falls (Great Falls International Airport – Magic Valley Regional Airport) is 377 miles / 608 kilometers / 328 nautical miles.

How far is Twin Falls from Great Falls?

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

Vincenty's formula (applied above)
  • 377.483 miles
  • 607.501 kilometers
  • 328.024 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
  • 377.493 miles
  • 607.516 kilometers
  • 328.032 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).

Flight duration

Estimated flight time from Great Falls International Airport (GTF) to Magic Valley Regional Airport (TWF) is 1 hour 12 minutes.

Time difference and current local times

There is no time difference between Great Falls and Twin Falls.

Time Difference

Great Falls
Twin Falls

Great Falls, MT

 MST

Twin Falls, ID

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 77 kg (170 pounds).

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 Magic Valley Regional Airport
City: Twin Falls, ID
Country: United States Flag of United States
IATA Code: TWF
ICAO Code: KTWF
Coordinates: 42°28′54″N, 114°29′16″W

Map

Great Falls to Twin Falls flight map.

Frequent Flyer Miles Calculator

Great Falls (GTF) → Twin Falls (TWF).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
377
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
377

Round trip?