Miles between Thornton, CO and Rockford, IL

There are
952 mi
from Thornton, CO to Rockford, IL

That's the driving distance. It would take 16 hours 45 mins to go from Thornton, Colorado to Rockford, Illinois.

The flight distance (direct flight from Thornton, CO to Rockford, IL) is 842.27 mi.

952 mi = 1,532.70 kms