How far is Lewistown, MT, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Lewistown (Lewistown Municipal Airport) is 123 miles / 198 kilometers / 107 nautical miles.
The driving distance from Helena (HLN) to Lewistown (LWT) is 194 miles / 312 kilometers, and travel time by car is about 3 hours 29 minutes.
Helena Regional Airport – Lewistown Municipal Airport
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Distance from Helena to Lewistown
There are several ways to calculate the distance from Helena to Lewistown. Here are two standard methods:
Vincenty's formula (applied above)- 123.132 miles
- 198.162 kilometers
- 106.999 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- 122.799 miles
- 197.627 kilometers
- 106.710 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 Helena to Lewistown?
The estimated flight time from Helena Regional Airport to Lewistown Municipal Airport is 43 minutes.
What is the time difference between Helena and Lewistown?
Flight carbon footprint between Helena Regional Airport (HLN) and Lewistown Municipal Airport (LWT)
On average, flying from Helena to Lewistown generates about 43 kg of CO2 per passenger, and 43 kilograms equals 95 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Lewistown
See the map of the shortest flight path between Helena Regional Airport (HLN) and Lewistown Municipal Airport (LWT).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Lewistown Municipal Airport |
|---|---|
| City: | Lewistown, MT |
| Country: | United States |
| IATA Code: | LWT |
| ICAO Code: | KLWT |
| Coordinates: | 47°2′57″N, 109°28′1″W |