Bismarck to Helena, Montana: Road Trip Guide & Distance

How far is Bismarck from Helena, Montana?

The distance from Bismarck to Helena, Montana is 532.9 miles (857.7 km) as the crow flies. Helena, Montana is located W of Bismarck. By car, the driving distance is approximately 639.5 miles, taking about 12h 52min. A direct flight would take roughly 1h 34min. Both are located in United States — Bismarck in North Dakota and Helena, Montana in Montana.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Bismarck and Helena, Montana. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.