Air Miles Calculator

Distance between Boise, ID (BOI) and Great Falls, MT (GTF)

Flight distance from Boise to Great Falls (Boise Airport – Great Falls International Airport) is 359 miles / 577 kilometers / 312 nautical miles. Estimated flight time is 1 hour 10 minutes.

Driving distance from Boise (BOI) to Great Falls (GTF) is 636 miles / 1024 kilometers and travel time by car is about 10 hours 35 minutes.

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

Shortest flight path between Boise Airport (BOI) and Great Falls International Airport (GTF).

How far is Great Falls from Boise?

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

Vincenty's formula (applied above)
  • 358.569 miles
  • 577.061 kilometers
  • 311.588 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
  • 358.231 miles
  • 576.518 kilometers
  • 311.295 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 Boise Airport
City: Boise, ID
Country: United States Flag of United States
IATA Code: BOI
ICAO Code: KBOI
Coordinates: 43°33′51″N, 116°13′22″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

There is no time difference between Boise and Great Falls.

Time Difference

Boise, ID

 MST

Great Falls, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 78 kg (172 pounds).

Frequent Flyer Miles Calculator

Boise (BOI) → Great Falls (GTF).

Distance:
359
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
359

Round trip?