There are
518 mi
from Sioux City, IA to Creve Coeur, MO
That's the driving distance. It would take 9 hours 38 mins to go from Sioux City, Iowa to Creve Coeur, Missouri.
The flight distance (direct flight from Sioux City, IA to Creve Coeur, MO) is 410.61 mi.
518 mi = 833.22 kms