There are
436 mi
from Clarksville, TN to Waukegan, IL
That's the driving distance. It would take 9 hours 25 mins to go from Clarksville, Tennessee to Waukegan, Illinois.
The flight distance (direct flight from Clarksville, TN to Waukegan, IL) is 403.91 mi.
436 mi = 701.66 kms