There are
1,957 mi
from Clarksville, TN to Rialto, CA
That's the driving distance. It would take 1 day 10 hours to go from Clarksville, Tennessee to Rialto, California.
The flight distance (direct flight from Clarksville, TN to Rialto, CA) is 1,693.31 mi.
1,957 mi = 3,149.19 kms