Miles between Ontario, CA and South Milwaukee, WI

There are
2,023 mi
from Ontario, CA to South Milwaukee, WI

That's the driving distance. It would take 1 day 11 hours to go from Ontario, California to South Milwaukee, Wisconsin.

The flight distance (direct flight from Ontario, CA to South Milwaukee, WI) is 1,712.18 mi.

2,023 mi = 3.22 kms