There are
1,979 mi
from Clarksville, TN to Pomona, CA
That's the driving distance. It would take 1 day 10 hours to go from Clarksville, Tennessee to Pomona, California.
The flight distance (direct flight from Clarksville, TN to Pomona, CA) is 1,715.36 mi.
1,979 mi = 1.61 kms