There are
123 mi
from Elgin, IL to Waunakee, WI
That's the driving distance. It would take 2 hours 23 mins to go from Elgin, Illinois to Waunakee, Wisconsin.
The flight distance (direct flight from Elgin, IL to Waunakee, WI) is 99.65 mi.
123 mi = 198.08 kms