How far is Helena, MT, from Bozeman, MT?
The distance between Bozeman (Bozeman Yellowstone International Airport) and Helena (Helena Regional Airport) is 70 miles / 112 kilometers / 61 nautical miles.
The driving distance from Bozeman (BZN) to Helena (HLN) is 91 miles / 147 kilometers, and travel time by car is about 1 hour 45 minutes.
Bozeman Yellowstone International Airport – Helena Regional Airport
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Distance from Bozeman to Helena
There are several ways to calculate the distance from Bozeman to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 69.755 miles
- 112.259 kilometers
- 60.615 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- 69.707 miles
- 112.182 kilometers
- 60.574 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 Bozeman to Helena?
The estimated flight time from Bozeman Yellowstone International Airport to Helena Regional Airport is 37 minutes.
What is the time difference between Bozeman and Helena?
Flight carbon footprint between Bozeman Yellowstone International Airport (BZN) and Helena Regional Airport (HLN)
On average, flying from Bozeman to Helena generates about 35 kg of CO2 per passenger, and 35 kilograms equals 78 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Bozeman to Helena
See the map of the shortest flight path between Bozeman Yellowstone International Airport (BZN) and Helena Regional Airport (HLN).
Airport information
| Origin | Bozeman Yellowstone International Airport |
|---|---|
| City: | Bozeman, MT |
| Country: | United States  |
| IATA Code: | BZN |
| ICAO Code: | KBZN |
| Coordinates: | 45°46′39″N, 111°9′10″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 |