There are
1,949 mi
from Rancho Cucamonga, CA to Bartlett, IL
That's the driving distance. It would take 1 day 10 hours to go from Rancho Cucamonga, California to Bartlett, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Bartlett, IL) is 1,680.47 mi.
1,949 mi = 1.61 kms