There are
747 mi
from Hayward, CA to Flagstaff, AZ
That's the driving distance. It would take 13 hours 42 mins to go from Hayward, California to Flagstaff, Arizona.
The flight distance (direct flight from Hayward, CA to Flagstaff, AZ) is 604.58 mi.
747 mi = 1,201.66 kms