Miles between Longmont, CO and Phoenix, AZ

There are
846 mi
from Longmont, CO to Phoenix, AZ

That's the driving distance. It would take 16 hours 5 mins to go from Longmont, Colorado to Phoenix, Arizona.

The flight distance (direct flight from Longmont, CO to Phoenix, AZ) is 603.11 mi.

846 mi = 1,361.37 kms