There are
516 mi
from Sioux City, IA to Hazelwood, MO
That's the driving distance. It would take 9 hours 37 mins to go from Sioux City, Iowa to Hazelwood, Missouri.
The flight distance (direct flight from Sioux City, IA to Hazelwood, MO) is 407.63 mi.
516 mi = 830.60 kms