There are
1,997 mi
from Rancho Cucamonga, CA to Danville, IL
That's the driving distance. It would take 1 day 10 hours to go from Rancho Cucamonga, California to Danville, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Danville, IL) is 1,693.65 mi.
1,997 mi = 3,213.71 kms