Air Miles Calculator

Distance between Eastsound, WA (ESD) and Helena, MT (HLN)

Distance from Eastsound to Helena (Orcas Island Airport – Helena Regional Airport) is 530 miles / 853 kilometers / 460 nautical miles.

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).

Flight duration

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.

Time Difference

Eastsound
Helena

Eastsound, WA

 PST

Helena, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 95 kg (209 pounds).

Airport information


A Orcas Island Airport
City: Eastsound, WA
Country: United States Flag of United States
IATA Code: ESD
ICAO Code: KORS
Coordinates: 48°42′29″N, 122°54′36″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

Map

Eastsound to Helena flight map.

Frequent Flyer Miles Calculator

Eastsound (ESD) → Helena (HLN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
530
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
530

Round trip?