There are
1,984 mi
from Chino Hills, CA to River Forest, IL
That's the driving distance. It would take 1 day 10 hours to go from Chino Hills, California to River Forest, Illinois.
The flight distance (direct flight from Chino Hills, CA to River Forest, IL) is 1,709.13 mi.
1,984 mi = 3,192.75 kms