There are
2,342 mi
from Clarksville, TN to Ukiah, CA
That's the driving distance. It would take 1 day 17 hours to go from Clarksville, Tennessee to Ukiah, California.
The flight distance (direct flight from Clarksville, TN to Ukiah, CA) is 1,951.72 mi.
2,342 mi = 3.22 kms