There are
2,488 mi
from Ukiah, CA to Cookeville, TN
That's the driving distance. It would take 1 day 19 hours to go from Ukiah, California to Cookeville, Tennessee.
The flight distance (direct flight from Ukiah, CA to Cookeville, TN) is 2,058.03 mi.
2,488 mi = 4,003.70 kms