Miles between Ontario, CA and Chicago Ridge, IL

There are
1,980 mi
from Ontario, CA to Chicago Ridge, IL

That's the driving distance. It would take 1 day 10 hours to go from Ontario, California to Chicago Ridge, Illinois.

The flight distance (direct flight from Ontario, CA to Chicago Ridge, IL) is 1,702.39 mi.

1,980 mi = 1.61 kms