There are
1,960 mi
from Rancho Cucamonga, CA to Clarksville, TN
That's the driving distance. It would take 1 day 10 hours to go from Rancho Cucamonga, California to Clarksville, Tennessee.
The flight distance (direct flight from Rancho Cucamonga, CA to Clarksville, TN) is 1,705.67 mi.
1,960 mi = 1.61 kms