There are
1,337 mi
from Stamford, CT to South Sioux City, NE
That's the driving distance. It would take 1 day to go from Stamford, Connecticut to South Sioux City, Nebraska.
The flight distance (direct flight from Stamford, CT to South Sioux City, NE) is 1,179.33 mi.
1,337 mi = 1.61 kms