There are
1,436 mi
from Sioux Falls, SD to Naugatuck, CT
That's the driving distance. It would take 1 day 2 hours to go from Sioux Falls, South Dakota to Naugatuck, Connecticut.
The flight distance (direct flight from Sioux Falls, SD to Naugatuck, CT) is 1,208.66 mi.
1,436 mi = 1.61 kms