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How far is Twin Falls, ID, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Twin Falls (Magic Valley Regional Airport) is 377 miles / 608 kilometers / 328 nautical miles.

The driving distance from Great Falls (GTF) to Twin Falls (TWF) is 524 miles / 843 kilometers, and travel time by car is about 8 hours 59 minutes.

Great Falls International Airport – Magic Valley Regional Airport

Distance arrow
377
Miles
Distance arrow
608
Kilometers
Distance arrow
328
Nautical miles

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Distance from Great Falls to Twin Falls

There are several ways to calculate the distance from Great Falls to Twin Falls. Here are two standard 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 planet.

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).

How long does it take to fly from Great Falls to Twin Falls?

The estimated flight time from Great Falls International Airport to Magic Valley Regional Airport is 1 hour and 12 minutes.

What is the time difference between Great Falls and Twin Falls?

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

Flight carbon footprint between Great Falls International Airport (GTF) and Magic Valley Regional Airport (TWF)

On average, flying from Great Falls to Twin Falls generates about 81 kg of CO2 per passenger, and 81 kilograms equals 178 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Twin Falls

See the map of the shortest flight path between Great Falls International Airport (GTF) and Magic Valley Regional Airport (TWF).

Airport information

Origin 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
Destination 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