There are
837 mi
from Waco, TX to South Sioux City, NE
That's the driving distance. It would take 14 hours 54 mins to go from Waco, Texas to South Sioux City, Nebraska.
The flight distance (direct flight from Waco, TX to South Sioux City, NE) is 755.35 mi.
837 mi = 1,346.94 kms