There are
1,979 mi
from Rancho Cucamonga, CA to Lake Zurich, IL
That's the driving distance. It would take 1 day 10 hours to go from Rancho Cucamonga, California to Lake Zurich, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Lake Zurich, IL) is 1,687.41 mi.
1,979 mi = 1.61 kms