There are
1,617 mi
from Gilbert, AZ to Clarksville, TN
That's the driving distance. It would take 1 day 4 hours to go from Gilbert, Arizona to Clarksville, Tennessee.
The flight distance (direct flight from Gilbert, AZ to Clarksville, TN) is 1,397.09 mi.
1,617 mi = 1.61 kms