There are
776 mi
from Flagstaff, AZ to Larkspur, CA
That's the driving distance. It would take 14 hours 7 mins to go from Flagstaff, Arizona to Larkspur, California.
The flight distance (direct flight from Flagstaff, AZ to Larkspur, CA) is 632.99 mi.
776 mi = 1,248.72 kms