Miles between Thornton, CO and Glen Carbon, IL

There are
860 mi
from Thornton, CO to Glen Carbon, IL

That's the driving distance. It would take 15 hours 15 mins to go from Thornton, Colorado to Glen Carbon, Illinois.

The flight distance (direct flight from Thornton, CO to Glen Carbon, IL) is 804.09 mi.

860 mi = 1,384.63 kms