How far is Helena, MT, from Bismarck, ND?
The distance between Bismarck (Bismarck Municipal Airport) and Helena (Helena Regional Airport) is 534 miles / 859 kilometers / 464 nautical miles.
The driving distance from Bismarck (BIS) to Helena (HLN) is 636 miles / 1024 kilometers, and travel time by car is about 11 hours 29 minutes.
Bismarck Municipal Airport – Helena Regional Airport
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Distance from Bismarck to Helena
There are several ways to calculate the distance from Bismarck to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 533.784 miles
- 859.042 kilometers
- 463.845 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- 532.242 miles
- 856.561 kilometers
- 462.506 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 Bismarck to Helena?
The estimated flight time from Bismarck Municipal Airport to Helena Regional Airport is 1 hour and 30 minutes.
What is the time difference between Bismarck and Helena?
The time difference between Bismarck and Helena is 1 hour. Helena is 1 hour behind Bismarck.
Flight carbon footprint between Bismarck Municipal Airport (BIS) and Helena Regional Airport (HLN)
On average, flying from Bismarck to Helena generates about 104 kg of CO2 per passenger, and 104 kilograms equals 228 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Bismarck to Helena
See the map of the shortest flight path between Bismarck Municipal Airport (BIS) and Helena Regional Airport (HLN).
Airport information
| Origin | Bismarck Municipal Airport |
|---|---|
| City: | Bismarck, ND |
| Country: | United States  |
| IATA Code: | BIS |
| ICAO Code: | KBIS |
| Coordinates: | 46°46′21″N, 100°44′45″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 |