Air Miles Calculator

Distance between Bangor, ME (BGR) and Great Falls, MT (GTF)

Flight distance from Bangor to Great Falls (Bangor International Airport – Great Falls International Airport) is 2025 miles / 3259 kilometers / 1760 nautical miles. Estimated flight time is 4 hours 20 minutes.

Driving distance from Bangor (BGR) to Great Falls (GTF) is 2410 miles / 3878 kilometers and travel time by car is about 44 hours 40 minutes.

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

Shortest flight path between Bangor International Airport (BGR) and Great Falls International Airport (GTF).

How far is Great Falls from Bangor?

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

Vincenty's formula (applied above)
  • 2025.080 miles
  • 3259.051 kilometers
  • 1759.747 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
  • 2019.351 miles
  • 3249.831 kilometers
  • 1754.768 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 Bangor International Airport
City: Bangor, ME
Country: United States Flag of United States
IATA Code: BGR
ICAO Code: KBGR
Coordinates: 44°48′26″N, 68°49′41″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 Bangor and Great Falls is 2 hours. Great Falls is 2 hours behind Bangor.

Time Difference

Bangor, ME

 EDT

Great Falls, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 220 kg (486 pounds).

Frequent Flyer Miles Calculator

Bangor (BGR) → Great Falls (GTF).

Distance:
2025
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2025

Round trip?