There are
1,982 mi
from Clarksville, TN to Kalispell, MT
That's the driving distance. It would take 1 day 11 hours to go from Clarksville, Tennessee to Kalispell, Montana.
The flight distance (direct flight from Clarksville, TN to Kalispell, MT) is 1,582.70 mi.
1,982 mi = 1.61 kms