Miles between Ontario, CA and Cahokia, IL

There are
1,799 mi
from Ontario, CA to Cahokia, IL

That's the driving distance. It would take 1 day 7 hours to go from Ontario, California to Cahokia, Illinois.

The flight distance (direct flight from Ontario, CA to Cahokia, IL) is 1,554.09 mi.

1,799 mi = 1.61 kms