Air Miles Calculator

Distance between Honolulu, HI (HNL) and Helena, MT (HLN)

Flight distance from Honolulu to Helena (Honolulu Daniel K. Inouye International Airport – Helena Regional Airport) is 3099 miles / 4988 kilometers / 2693 nautical miles. Estimated flight time is 6 hours 22 minutes.

Map of flight path from Honolulu to Helena.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Helena Regional Airport (HLN).

How far is Helena from Honolulu?

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

Vincenty's formula (applied above)
  • 3099.395 miles
  • 4987.993 kilometers
  • 2693.301 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
  • 3097.214 miles
  • 4984.483 kilometers
  • 2691.405 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 Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W

Time difference and current local times

The time difference between Honolulu and Helena is 4 hours. Helena is 4 hours ahead of Honolulu.

Time Difference

Honolulu, HI

 HST

Helena, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 346 kg (763 pounds).

Frequent Flyer Miles Calculator

Honolulu (HNL) → Helena (HLN).

Distance:
3099
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3099

Round trip?