There are
1,580 mi
from Clarksville, TN to Logan, UT
That's the driving distance. It would take 1 day 4 hours to go from Clarksville, Tennessee to Logan, Utah.
The flight distance (direct flight from Clarksville, TN to Logan, UT) is 1,354.96 mi.
1,580 mi = 1.61 kms