There are
842 mi
from Avondale, AZ to Ukiah, CA
That's the driving distance. It would take 15 hours 30 mins to go from Avondale, Arizona to Ukiah, California.
The flight distance (direct flight from Avondale, AZ to Ukiah, CA) is 721.35 mi.
842 mi = 1,355.43 kms