There are
724 mi
from Loveland, CO to Flagstaff, AZ
That's the driving distance. It would take 13 hours 53 mins to go from Loveland, Colorado to Flagstaff, Arizona.
The flight distance (direct flight from Loveland, CO to Flagstaff, AZ) is 506.98 mi.
724 mi = 1,165.21 kms