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).
Time difference and current local times
The time difference between Honolulu and Helena is 3 hours. Helena is 3 hours ahead of Honolulu.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 346 kg (763 pounds).
Frequent Flyer Miles Calculator
Honolulu (HNL) → Helena (HLN).