Map of flight path and driving directions from Lewiston to Helena.
Shortest flight path between Lewiston–Nez Perce County Airport (LWS) and Helena Regional Airport (HLN).
How far is Helena from Lewiston?
There are several ways to calculate distances between Lewiston and Helena. Here are two common methods:Vincenty's formula (applied above)
- 240.552 miles
- 387.131 kilometers
- 209.034 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
- 239.863 miles
- 386.023 kilometers
- 208.435 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 Lewiston and Helena is 1 hour. Helena is 1 hour ahead of Lewiston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 60 kg (133 pounds).
Frequent Flyer Miles Calculator
Lewiston (LWS) → Helena (HLN).