There are
537 mi
from Clarksville, TN to Fort Atkinson, WI
That's the driving distance. It would take 10 hours 25 mins to go from Clarksville, Tennessee to Fort Atkinson, Wisconsin.
The flight distance (direct flight from Clarksville, TN to Fort Atkinson, WI) is 449.03 mi.
537 mi = 864.26 kms