There are
852 mi
from Wilmington, DE to Pewaukee, WI
That's the driving distance. It would take 16 hours 4 mins to go from Wilmington, Delaware to Pewaukee, Wisconsin.
The flight distance (direct flight from Wilmington, DE to Pewaukee, WI) is 694.47 mi.
852 mi = 1,371.50 kms