There are
673 mi
from Chattanooga, TN to Pewaukee, WI
That's the driving distance. It would take 13 hours 14 mins to go from Chattanooga, Tennessee to Pewaukee, Wisconsin.
The flight distance (direct flight from Chattanooga, TN to Pewaukee, WI) is 574.80 mi.
673 mi = 1,082.51 kms