There are
991 mi
from Danbury, CT to Waunakee, WI
That's the driving distance. It would take 18 hours 38 mins to go from Danbury, Connecticut to Waunakee, Wisconsin.
The flight distance (direct flight from Danbury, CT to Waunakee, WI) is 825.89 mi.
991 mi = 1,594.70 kms