Miles between Longmont, CO and Flagstaff, AZ

There are
702 mi
from Longmont, CO to Flagstaff, AZ

That's the driving distance. It would take 13 hours 35 mins to go from Longmont, Colorado to Flagstaff, Arizona.

The flight distance (direct flight from Longmont, CO to Flagstaff, AZ) is 495.19 mi.

702 mi = 1,130.11 kms