There are
381 mi
from Waukesha, WI to Duluth, MN
That's the driving distance. It would take 7 hours 13 mins to go from Waukesha, Wisconsin to Duluth, Minnesota.
The flight distance (direct flight from Waukesha, WI to Duluth, MN) is 322.22 mi.
381 mi = 612.79 kms