There are
587 mi
from Arvada, CO to South Sioux City, NE
That's the driving distance. It would take 10 hours 34 mins to go from Arvada, Colorado to South Sioux City, Nebraska.
The flight distance (direct flight from Arvada, CO to South Sioux City, NE) is 487.20 mi.
587 mi = 944.60 kms