There are
877 mi
from Clarksville, TN to Duluth, MN
That's the driving distance. It would take 16 hours 44 mins to go from Clarksville, Tennessee to Duluth, Minnesota.
The flight distance (direct flight from Clarksville, TN to Duluth, MN) is 749.38 mi.
877 mi = 1,412.10 kms