There are
979 mi
from Stamford, CT to Waunakee, WI
That's the driving distance. It would take 18 hours 31 mins to go from Stamford, Connecticut to Waunakee, Wisconsin.
The flight distance (direct flight from Stamford, CT to Waunakee, WI) is 827.65 mi.
979 mi = 1,575.58 kms