There are
719 mi
from Avondale, AZ to Walnut Creek, CA
That's the driving distance. It would take 13 hours 3 mins to go from Avondale, Arizona to Walnut Creek, California.
The flight distance (direct flight from Avondale, AZ to Walnut Creek, CA) is 626.21 mi.
719 mi = 1,156.55 kms