Miles between Chicago, IL and Longmont, CO

There are
1,000 mi
from Chicago, IL to Longmont, CO

That's the driving distance. It would take 17 hours 52 mins to go from Chicago, Illinois to Longmont, Colorado.

The flight distance (direct flight from Chicago, IL to Longmont, CO) is 916.80 mi.

1,000 mi = 1.61 kms