There are
778 mi
from Flagstaff, AZ to Suisun City, CA
That's the driving distance. It would take 14 hours 5 mins to go from Flagstaff, Arizona to Suisun City, California.
The flight distance (direct flight from Flagstaff, AZ to Suisun City, CA) is 612.63 mi.
778 mi = 1,252.11 kms