Miles between Phoenix, AZ and Longmont, CO

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

That's the driving distance. It would take 16 hours 7 mins to go from Phoenix, Arizona to Longmont, Colorado.

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

846 mi = 1,361.50 kms