There are
806 mi
from Rochester Hills, MI to South Sioux City, NE
That's the driving distance. It would take 14 hours 56 mins to go from Rochester Hills, Michigan to South Sioux City, Nebraska.
The flight distance (direct flight from Rochester Hills, MI to South Sioux City, NE) is 674.36 mi.
806 mi = 1,297.29 kms