Grand Junction to Great Falls: Road Trip Guide & Distance

599 miles 964 km · straight line
718.8 miles estimated 1156.8 km · driving distance
14h 28min estimated drive time
$69 - $85 estimated fuel cost
~1h 42min flight time
348° NNW bearing direction

How far is Grand Junction from Great Falls?

The distance from Grand Junction to Great Falls is 599 miles (964 km) as the crow flies. Great Falls is located NNW of Grand Junction. By car, the driving distance is approximately 718.8 miles, taking about 14h 28min. A direct flight would take roughly 1h 42min. Both are located in United States — Grand Junction 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 Grand Junction and Great Falls. 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 Grand Junction to Great Falls

Method Time Est. Cost Best For
Drive 14h 28min $69 - $85 Flexible stops
Fly ~1h 42min $80–200* Speed
Bus ~17h 22min $58–$108* Budget
Train ~18h 48min $86–$252* Comfort

Suggested Stops Between Grand Junction & Great Falls

Quick Facts

Grand Junction
39.06°N, 108.55°W
America/Denver
1400m elevation
Great Falls
47.50°N, 111.30°W
America/Denver
1015m elevation
Explore more routes from Great Falls

Did You Know?

  • At walking speed (3 mph), it would take about 200 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 50 hours
  • You could travel this distance about 41.6 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients