There are
866 mi
from Chattanooga, TN to La Crosse, WI
That's the driving distance. It would take 16 hours 19 mins to go from Chattanooga, Tennessee to La Crosse, Wisconsin.
The flight distance (direct flight from Chattanooga, TN to La Crosse, WI) is 682.30 mi.
866 mi = 1,394.19 kms