Miles between Ontario, CA and Granite City, IL

There are
1,803 mi
from Ontario, CA to Granite City, IL

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

The flight distance (direct flight from Ontario, CA to Granite City, IL) is 1,556.82 mi.

1,803 mi = 1.61 kms