There are
656 mi
from Colorado Springs, CO to South Sioux City, NE
That's the driving distance. It would take 11 hours 44 mins to go from Colorado Springs, Colorado to South Sioux City, Nebraska.
The flight distance (direct flight from Colorado Springs, CO to South Sioux City, NE) is 506.88 mi.
656 mi = 1,056.39 kms