There are
2,430 mi
from Ukiah, CA to Smyrna, TN
That's the driving distance. It would take 1 day 18 hours to go from Ukiah, California to Smyrna, Tennessee.
The flight distance (direct flight from Ukiah, CA to Smyrna, TN) is 2,007.53 mi.
2,430 mi = 3,911.20 kms