Miles between Ontario, CA and Quincy, IL

There are
1,805 mi
from Ontario, CA to Quincy, IL

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

The flight distance (direct flight from Ontario, CA to Quincy, IL) is 1,497.65 mi.

1,805 mi = 1.61 kms