There are
1,454 mi
from Sioux Falls, SD to New Britain, CT
That's the driving distance. It would take 1 day 2 hours to go from Sioux Falls, South Dakota to New Britain, Connecticut.
The flight distance (direct flight from Sioux Falls, SD to New Britain, CT) is 1,219.21 mi.
1,454 mi = 1.61 kms