There are
491 mi
from Flagstaff, AZ to Lehi, UT
That's the driving distance. It would take 9 hours 24 mins to go from Flagstaff, Arizona to Lehi, Utah.
The flight distance (direct flight from Flagstaff, AZ to Lehi, UT) is 358.79 mi.
491 mi = 789.53 kms