There are
1,754 mi
from Sioux City, IA to San Luis Obispo, CA
That's the driving distance. It would take 1 day 7 hours to go from Sioux City, Iowa to San Luis Obispo, California.
The flight distance (direct flight from Sioux City, IA to San Luis Obispo, CA) is 1,390.67 mi.
1,754 mi = 1.61 kms