There are
326 mi
from Fargo, ND to South Sioux City, NE
That's the driving distance. It would take 5 hours 19 mins to go from Fargo, North Dakota to South Sioux City, Nebraska.
The flight distance (direct flight from Fargo, ND to South Sioux City, NE) is 305.35 mi.
326 mi = 525.22 kms