Air Miles Calculator

Distance between Honolulu, HI (HNL) and Great Falls, MT (GTF)

Flight distance from Honolulu to Great Falls (Honolulu Daniel K. Inouye International Airport – Great Falls International Airport) is 3146 miles / 5063 kilometers / 2734 nautical miles. Estimated flight time is 6 hours 27 minutes.

Map of flight path from Honolulu to Great Falls.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Great Falls International Airport (GTF).

How far is Great Falls from Honolulu?

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

Vincenty's formula (applied above)
  • 3145.794 miles
  • 5062.665 kilometers
  • 2733.620 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
  • 3143.638 miles
  • 5059.195 kilometers
  • 2731.747 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 Honolulu Daniel K. Inouye International Airport
City: Honolulu, HI
Country: United States Flag of United States
IATA Code: HNL
ICAO Code: PHNL
Coordinates: 21°19′7″N, 157°55′19″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 Honolulu and Great Falls is 4 hours. Great Falls is 4 hours ahead of Honolulu.

Time Difference

Honolulu, HI

 HST

Great Falls, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 352 kg (775 pounds).

Frequent Flyer Miles Calculator

Honolulu (HNL) → Great Falls (GTF).

Distance:
3146
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3146

Round trip?