There are
643 mi
from Chattanooga, TN to Caledonia, WI
That's the driving distance. It would take 12 hours 35 mins to go from Chattanooga, Tennessee to Caledonia, Wisconsin.
The flight distance (direct flight from Chattanooga, TN to Caledonia, WI) is 554.34 mi.
643 mi = 1,035.19 kms