There are
448 mi
from Sioux City, IA to Scottsbluff, NE
That's the driving distance. It would take 8 hours 55 mins to go from Sioux City, Iowa to Scottsbluff, Nebraska.
The flight distance (direct flight from Sioux City, IA to Scottsbluff, NE) is 374.18 mi.
448 mi = 720.69 kms