How far is Helena, MT, from Lewistown, MT?
The distance between Lewistown (Lewistown Municipal Airport) and Helena (Helena Regional Airport) is 123 miles / 198 kilometers / 107 nautical miles.
The driving distance from Lewistown (LWT) to Helena (HLN) is 194 miles / 312 kilometers, and travel time by car is about 3 hours 34 minutes.
Lewistown Municipal Airport – Helena Regional Airport
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Distance from Lewistown to Helena
There are several ways to calculate the distance from Lewistown to Helena. 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 Lewistown to Helena?
The estimated flight time from Lewistown Municipal Airport to Helena Regional Airport is 43 minutes.
What is the time difference between Lewistown and Helena?
Flight carbon footprint between Lewistown Municipal Airport (LWT) and Helena Regional Airport (HLN)
On average, flying from Lewistown to Helena 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 Lewistown to Helena
See the map of the shortest flight path between Lewistown Municipal Airport (LWT) and Helena Regional Airport (HLN).
Airport information
| Origin | Lewistown Municipal Airport |
|---|---|
| City: | Lewistown, MT |
| Country: | United States  |
| IATA Code: | LWT |
| ICAO Code: | KLWT |
| Coordinates: | 47°2′57″N, 109°28′1″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 |