There are
905 mi
from Wilmington, DE to Waupun, WI
That's the driving distance. It would take 17 hours 8 mins to go from Wilmington, Delaware to Waupun, Wisconsin.
The flight distance (direct flight from Wilmington, DE to Waupun, WI) is 730.27 mi.
905 mi = 1,457.26 kms