Great Falls to Rocky Mountain: Road Trip Guide & Distance

567.7 miles 913.6 km · straight line
681.2 miles estimated 1096.3 km · driving distance
13h 42min estimated drive time
$66 - $81 estimated fuel cost
~1h 39min flight time
149° SSE bearing direction

How far is Great Falls from Rocky Mountain?

The distance from Great Falls to Rocky Mountain is 567.7 miles (913.6 km) as the crow flies. Rocky Mountain is located SSE of Great Falls. By car, the driving distance is approximately 681.2 miles, taking about 13h 42min. A direct flight would take roughly 1h 39min. Both are located in United States — Great Falls in Montana and Rocky Mountain in Colorado.

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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Great Falls and Rocky Mountain. 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 Great Falls to Rocky Mountain

Method Time Est. Cost Best For
Drive 13h 42min $66 - $81 Flexible stops
Fly ~1h 39min $80–200* Speed
Bus ~16h 26min $54–$102* Budget
Train ~17h 49min $82–$238* Comfort

Suggested Stops Between Great Falls & Rocky Mountain

Quick Facts

Great Falls
47.50°N, 111.30°W
America/Denver
1015m elevation
Rocky Mountain
40.34°N, 105.68°W
America/Denver
3658m elevation
Explore more routes from Rocky Mountain

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
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients