Miles between Great Falls, MT and Clarksville, IN

There are
1,670 mi
from Great Falls, MT to Clarksville, IN

That's the driving distance. It would take 1 day 5 hours to go from Great Falls, Montana to Clarksville, Indiana.

The flight distance (direct flight from Great Falls, MT to Clarksville, IN) is 1,431.70 mi.

1,670 mi = 2,687.61 kms