There are
1,731 mi
from Santa Maria, CA to Sioux City, IA
That's the driving distance. It would take 1 day 7 hours to go from Santa Maria, California to Sioux City, Iowa.
The flight distance (direct flight from Santa Maria, CA to Sioux City, IA) is 1,390.54 mi.
1,731 mi = 1.61 kms