There are
1,852 mi
from Rancho Cucamonga, CA to Jacksonville, IL
That's the driving distance. It would take 1 day 8 hours to go from Rancho Cucamonga, California to Jacksonville, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Jacksonville, IL) is 1,554.07 mi.
1,852 mi = 1.61 kms