Miles between Longmont, CO and American Fork, UT

There are
520 mi
from Longmont, CO to American Fork, UT

That's the driving distance. It would take 8 hours 59 mins to go from Longmont, Colorado to American Fork, Utah.

The flight distance (direct flight from Longmont, CO to American Fork, UT) is 353.10 mi.

520 mi = 836.57 kms