There are
107 mi
from Naperville, IL to Wauwatosa, WI
That's the driving distance. It would take 2 hours 13 mins to go from Naperville, Illinois to Wauwatosa, Wisconsin.
The flight distance (direct flight from Naperville, IL to Wauwatosa, WI) is 87.60 mi.
107 mi = 171.85 kms