There are
475 mi
from Provo, UT to Flagstaff, AZ
That's the driving distance. It would take 9 hours 11 mins to go from Provo, Utah to Flagstaff, Arizona.
The flight distance (direct flight from Provo, UT to Flagstaff, AZ) is 347.71 mi.
475 mi = 764.71 kms