Miles between Thornton, CO and Waukegan, IL

There are
1,022 mi
from Thornton, CO to Waukegan, IL

That's the driving distance. It would take 18 hours 10 mins to go from Thornton, Colorado to Waukegan, Illinois.

The flight distance (direct flight from Thornton, CO to Waukegan, IL) is 906.41 mi.

1,022 mi = 1.61 kms