There are
997 mi
from Thornton, CO to Chippewa Falls, WI
That's the driving distance. It would take 17 hours 33 mins to go from Thornton, Colorado to Chippewa Falls, Wisconsin.
The flight distance (direct flight from Thornton, CO to Chippewa Falls, WI) is 774.94 mi.
997 mi = 1,604.53 kms