Miles between Ontario, CA and Sioux City, IA

There are
1,567 mi
from Ontario, CA to Sioux City, IA

That's the driving distance. It would take 1 day 3 hours to go from Ontario, California to Sioux City, Iowa.

The flight distance (direct flight from Ontario, CA to Sioux City, IA) is 1,286.63 mi.

1,567 mi = 1.61 kms