Miles between Thornton, CO and Ottawa, IL

There are
931 mi
from Thornton, CO to Ottawa, IL

That's the driving distance. It would take 16 hours 20 mins to go from Thornton, Colorado to Ottawa, Illinois.

The flight distance (direct flight from Thornton, CO to Ottawa, IL) is 850.95 mi.

931 mi = 1,497.88 kms