Miles between Ontario, CA and Chatham, IL

There are
1,889 mi
from Ontario, CA to Chatham, IL

That's the driving distance. It would take 1 day 9 hours to go from Ontario, California to Chatham, Illinois.

The flight distance (direct flight from Ontario, CA to Chatham, IL) is 1,585.63 mi.

1,889 mi = 1.61 kms