There are
727 mi
from Peoria, AZ to Menlo Park, CA
That's the driving distance. It would take 13 hours 25 mins to go from Peoria, Arizona to Menlo Park, California.
The flight distance (direct flight from Peoria, AZ to Menlo Park, CA) is 619.56 mi.
727 mi = 1,169.73 kms