Miles between Longmont, CO and Douglas, AZ

There are
873 mi
from Longmont, CO to Douglas, AZ

That's the driving distance. It would take 15 hours 47 mins to go from Longmont, Colorado to Douglas, Arizona.

The flight distance (direct flight from Longmont, CO to Douglas, AZ) is 658.28 mi.

873 mi = 1,405.00 kms