There are
1,976 mi
from Rancho Cucamonga, CA to Riverdale, IL
That's the driving distance. It would take 1 day 10 hours to go from Rancho Cucamonga, California to Riverdale, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Riverdale, IL) is 1,704.89 mi.
1,976 mi = 1.61 kms