Miles between Longmont, CO and Northlake, IL

There are
991 mi
from Longmont, CO to Northlake, IL

That's the driving distance. It would take 17 hours 43 mins to go from Longmont, Colorado to Northlake, Illinois.

The flight distance (direct flight from Longmont, CO to Northlake, IL) is 903.22 mi.

991 mi = 1,595.47 kms