There are
1,809 mi
from Rancho Cucamonga, CA to Rock Island, IL
That's the driving distance. It would take 1 day 7 hours to go from Rancho Cucamonga, California to Rock Island, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Rock Island, IL) is 1,553.21 mi.
1,809 mi = 1.61 kms