How far is Helena from Eastsound?
There are several ways to calculate distances between Eastsound and Helena. Here are two common methods:Vincenty's formula (applied above)
- 529.756 miles
- 852.560 kilometers
- 460.345 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
- 528.317 miles
- 850.244 kilometers
- 459.095 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).
Estimated flight time from Orcas Island Airport (ESD) to Helena Regional Airport (HLN) is 1 hour 30 minutes.
Time difference and current local times
The time difference between Eastsound and Helena is 1 hour. Helena is 1 hour ahead of Eastsound.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 95 kg (209 pounds).
Eastsound to Helena flight map.
Frequent Flyer Miles Calculator
Eastsound (ESD) → Helena (HLN).