There are
1,981 mi
from Rancho Cucamonga, CA to Antioch, IL
That's the driving distance. It would take 1 day 10 hours to go from Rancho Cucamonga, California to Antioch, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Antioch, IL) is 1,690.62 mi.
1,981 mi = 1.61 kms