Distance from Longmont, CO to Great Falls, MT

Driving distance from Longmont, CO to Great Falls, MT is 748 miles (1204 km). How far is it from Longmont, CO to Great Falls, MT? It's a 11 hours 13 minutes drive by car. Flight distance is approximately 593 miles (955 km) and flight time from Longmont, CO to Great Falls, MT is 01 hours 11 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.

Driving distance
748 Miles
/
1204 Km
Driving distance
Gas consumption
29.92 Gallons
114.38 Litres
Gas consumption
Flight distance
593 Miles
/
955 Km
Flight distance

How far is it from Longmont, CO to Great Falls, MT?

To travel the distance from Longmont, CO to Great Falls, MT, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.

Book a Hotel for your trip to Great Falls, MT

Choose a place to stay while traveling from Longmont, CO to Great Falls, MT. We also offer Car Rental widget for your particular journey. There are lots of options to choose from. Give it a try.

Last distance calculations