There are
1,977 mi
from Chicago, IL to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 10 hours to go from Chicago, Illinois to Rancho Cucamonga, California.
The flight distance (direct flight from Chicago, IL to Rancho Cucamonga, CA) is 1,707.47 mi.
1,977 mi = 1.61 kms