There are
1,266 mi
from Wilmington, DE to South Sioux City, NE
That's the driving distance. It would take 23 hours 22 mins to go from Wilmington, Delaware to South Sioux City, Nebraska.
The flight distance (direct flight from Wilmington, DE to South Sioux City, NE) is 1,099.52 mi.
1,266 mi = 1.61 kms