Miles between Thornton, CO and Calumet City, IL

There are
1,004 mi
from Thornton, CO to Calumet City, IL

That's the driving distance. It would take 17 hours 46 mins to go from Thornton, Colorado to Calumet City, Illinois.

The flight distance (direct flight from Thornton, CO to Calumet City, IL) is 919.44 mi.

1,004 mi = 1.61 kms