There are
1,826 mi
from Chino Hills, CA to Rock Island, IL
That's the driving distance. It would take 1 day 7 hours to go from Chino Hills, California to Rock Island, Illinois.
The flight distance (direct flight from Chino Hills, CA to Rock Island, IL) is 1,564.03 mi.
1,826 mi = 2,938.14 kms