There are
1,973 mi
from Clarksville, TN to San Dimas, CA
That's the driving distance. It would take 1 day 10 hours to go from Clarksville, Tennessee to San Dimas, California.
The flight distance (direct flight from Clarksville, TN to San Dimas, CA) is 1,717.52 mi.
1,973 mi = 3,175.76 kms