Distance between Honolulu, HI (HNL) and Helena, MT (HLN)
Distance from Honolulu to Helena (Daniel K. Inouye International Airport – Helena Regional Airport) is 3099 miles / 4988 kilometers / 2693 nautical miles.
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Multiple airports
Honolulu - Helena
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).
Flight duration
Estimated flight time from Daniel K. Inouye International Airport (HNL) to Helena Regional Airport (HLN) is 6 hours 22 minutes.
Time difference and current local times
The time difference between Honolulu and Helena is 3 hours. Helena is 3 hours ahead of Honolulu.
Time Difference
Honolulu, HI
Helena, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 351 kg (775 pounds).
Airport information
| A | Daniel K. Inouye International Airport |
|---|---|
| City: | Honolulu, HI |
| Country: | 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 |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
Map
Honolulu to Helena flight map.
Frequent Flyer Miles Calculator
Honolulu (HNL) → Helena (HLN).
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