There are
2,298 mi
from Ukiah, CA to Union City, TN
That's the driving distance. It would take 1 day 16 hours to go from Ukiah, California to Union City, Tennessee.
The flight distance (direct flight from Ukiah, CA to Union City, TN) is 1,863.25 mi.
2,298 mi = 3,698.81 kms