Boulder to Helena, Montana: Road Trip Guide & Distance
How far is Boulder from Helena, Montana?
The distance from Boulder to Helena, Montana is 567.2 miles (912.9 km) as the crow flies. Helena, Montana is located NW of Boulder. By car, the driving distance is approximately 680.7 miles, taking about 13h 42min. A direct flight would take roughly 1h 38min. Both are located in United States — Boulder in Colorado 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 Boulder 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.
How to Get from Boulder to Helena, Montana
Suggested Stops Between Boulder & Helena, Montana
- 1488 mi
- 2367 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 189 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 47 hours
- You could travel this distance about 43.9 times to circle the Earth's equator