There are
1,961 mi
from Clarksville, TN to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 10 hours to go from Clarksville, Tennessee to Rancho Cucamonga, California.
The flight distance (direct flight from Clarksville, TN to Rancho Cucamonga, CA) is 1,705.67 mi.
1,961 mi = 3,155.51 kms