There are
539 mi
from Ukiah, CA to Aliso Viejo, CA
That's the driving distance. It would take 10 hours 12 mins to go from Ukiah, California to Aliso Viejo, California.
The flight distance (direct flight from Ukiah, CA to Aliso Viejo, CA) is 491.12 mi.
539 mi = 868.01 kms