Miles between Longmont, CO and North Chicago, IL

There are
1,024 mi
from Longmont, CO to North Chicago, IL

That's the driving distance. It would take 18 hours 21 mins to go from Longmont, Colorado to North Chicago, Illinois.

The flight distance (direct flight from Longmont, CO to North Chicago, IL) is 907.38 mi.

1,024 mi = 1.61 kms