Distance from Castle Rock, CO to Great Falls, MT

Driving distance from Castle Rock, CO to Great Falls, MT is 858 miles (1381 km). How far is it from Castle Rock, CO to Great Falls, MT? It's a 15 hours 14 minutes drive by car. Flight distance is approximately 648 miles (1042 km) and flight time from Castle Rock, CO to Great Falls, MT is 01 hours 18 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
858 Miles
/
1381 Km
Driving distance
Gas consumption
34.32 Gallons
131.20 Litres
Gas consumption
Flight distance
648 Miles
/
1042 Km
Flight distance

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

To travel the distance from Castle Rock, 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 Castle Rock, 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