How far is Helena, MT, from Las Vegas, NV?
The distance between Las Vegas (Las Vegas Harry Reid International Airport) and Helena (Helena Regional Airport) is 745 miles / 1199 kilometers / 647 nautical miles.
The driving distance from Las Vegas (LAS) to Helena (HLN) is 910 miles / 1465 kilometers, and travel time by car is about 14 hours 59 minutes.
Las Vegas Harry Reid International Airport – Helena Regional Airport
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Distance from Las Vegas to Helena
There are several ways to calculate the distance from Las Vegas to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 744.736 miles
- 1198.537 kilometers
- 647.158 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- 745.499 miles
- 1199.764 kilometers
- 647.821 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 Las Vegas to Helena?
The estimated flight time from Las Vegas Harry Reid International Airport to Helena Regional Airport is 1 hour and 54 minutes.
What is the time difference between Las Vegas and Helena?
The time difference between Las Vegas and Helena is 1 hour. Helena is 1 hour ahead of Las Vegas.
Flight carbon footprint between Las Vegas Harry Reid International Airport (LAS) and Helena Regional Airport (HLN)
On average, flying from Las Vegas to Helena generates about 129 kg of CO2 per passenger, and 129 kilograms equals 285 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Las Vegas to Helena
See the map of the shortest flight path between Las Vegas Harry Reid International Airport (LAS) and Helena Regional Airport (HLN).
Airport information
| Origin | Las Vegas Harry Reid International Airport |
|---|---|
| City: | Las Vegas, NV |
| Country: | United States  |
| IATA Code: | LAS |
| ICAO Code: | KLAS |
| Coordinates: | 36°4′48″N, 115°9′7″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 |