There are
2,410 mi
from Ukiah, CA to Spring Hill, TN
That's the driving distance. It would take 1 day 18 hours to go from Ukiah, California to Spring Hill, Tennessee.
The flight distance (direct flight from Ukiah, CA to Spring Hill, TN) is 1,990.41 mi.
2,410 mi = 3,878.03 kms