There are
625 mi
from Yuma, AZ to Palo Alto, CA
That's the driving distance. It would take 11 hours 50 mins to go from Yuma, Arizona to Palo Alto, California.
The flight distance (direct flight from Yuma, AZ to Palo Alto, CA) is 536.61 mi.
625 mi = 1,006.37 kms