Miles between Ontario, CA and Rock Island, IL

There are
1,815 mi
from Ontario, CA to Rock Island, IL

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

The flight distance (direct flight from Ontario, CA to Rock Island, IL) is 1,557.52 mi.

1,815 mi = 1.61 kms