There are
487 mi
from Flagstaff, AZ to San Clemente, CA
That's the driving distance. It would take 8 hours 40 mins to go from Flagstaff, Arizona to San Clemente, California.
The flight distance (direct flight from Flagstaff, AZ to San Clemente, CA) is 362.17 mi.
487 mi = 783.83 kms