There are
1,578 mi
from Clarksville, TN to Layton, UT
That's the driving distance. It would take 1 day 3 hours to go from Clarksville, Tennessee to Layton, Utah.
The flight distance (direct flight from Clarksville, TN to Layton, UT) is 1,356.89 mi.
1,578 mi = 1.61 kms