There are
1,616 mi
from Mesa, AZ to Clarksville, TN
That's the driving distance. It would take 1 day 5 hours to go from Mesa, Arizona to Clarksville, Tennessee.
The flight distance (direct flight from Mesa, AZ to Clarksville, TN) is 1,398.24 mi.
1,616 mi = 1.61 kms