How far is Helena, MT, from Lewiston, ID?
The distance between Lewiston (Lewiston–Nez Perce County Airport) and Helena (Helena Regional Airport) is 241 miles / 387 kilometers / 209 nautical miles.
The driving distance from Lewiston (LWS) to Helena (HLN) is 399 miles / 642 kilometers, and travel time by car is about 7 hours 25 minutes.
Lewiston–Nez Perce County Airport – Helena Regional Airport
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Distance from Lewiston to Helena
There are several ways to calculate the distance from Lewiston to Helena. Here are two standard 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 planet.
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).
How long does it take to fly from Lewiston to Helena?
The estimated flight time from Lewiston–Nez Perce County Airport to Helena Regional Airport is 57 minutes.
What is the time difference between Lewiston and Helena?
The time difference between Lewiston and Helena is 1 hour. Helena is 1 hour ahead of Lewiston.
Flight carbon footprint between Lewiston–Nez Perce County Airport (LWS) and Helena Regional Airport (HLN)
On average, flying from Lewiston to Helena generates about 60 kg of CO2 per passenger, and 60 kilograms equals 133 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Lewiston to Helena
See the map of the shortest flight path between Lewiston–Nez Perce County Airport (LWS) and Helena Regional Airport (HLN).
Airport information
| Origin | Lewiston–Nez Perce County Airport |
|---|---|
| City: | Lewiston, ID |
| Country: | United States  |
| IATA Code: | LWS |
| ICAO Code: | KLWS |
| Coordinates: | 46°22′28″N, 117°0′53″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |