Miles between Thornton, CO and Oak Forest, IL

There are
993 mi
from Thornton, CO to Oak Forest, IL

That's the driving distance. It would take 17 hours 31 mins to go from Thornton, Colorado to Oak Forest, Illinois.

The flight distance (direct flight from Thornton, CO to Oak Forest, IL) is 908.34 mi.

993 mi = 1,598.83 kms