Miles between Boulder, CO and Calumet City, IL

There are
1,024 mi
from Boulder, CO to Calumet City, IL

That's the driving distance. It would take 18 hours 8 mins to go from Boulder, Colorado to Calumet City, Illinois.

The flight distance (direct flight from Boulder, CO to Calumet City, IL) is 932.62 mi.

1,024 mi = 1.61 kms