Denver to Great Falls: Road Trip Guide & Distance
How far is Denver from Great Falls?
The distance from Denver to Great Falls is 621.7 miles (1000.6 km) as the crow flies. Great Falls is located NNW of Denver. By car, the driving distance is approximately 771 miles, taking about 13h 14min. A direct flight would take roughly 1h 45min. Both are located in United States — Denver in Colorado and Great Falls 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 Denver and Great Falls. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.
How to Get from Denver to Great Falls
Suggested Stops Between Denver & Great Falls
- 1113 mi
- 2391 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 207 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 52 hours
- You could travel this distance about 40.1 times to circle the Earth's equator