There are
612 mi
from Chattanooga, TN to Waukegan, IL
That's the driving distance. It would take 12 hours 2 mins to go from Chattanooga, Tennessee to Waukegan, Illinois.
The flight distance (direct flight from Chattanooga, TN to Waukegan, IL) is 523.70 mi.
612 mi = 984.72 kms