There are
1,742 mi
from Clarksville, TN to St George, UT
That's the driving distance. It would take 1 day 6 hours to go from Clarksville, Tennessee to St George, Utah.
The flight distance (direct flight from Clarksville, TN to St George, UT) is 1,446.22 mi.
1,742 mi = 1.61 kms