There are
1,844 mi
from Pico Rivera, CA to Rock Island, IL
That's the driving distance. It would take 1 day 8 hours to go from Pico Rivera, California to Rock Island, Illinois.
The flight distance (direct flight from Pico Rivera, CA to Rock Island, IL) is 1,582.77 mi.
1,844 mi = 2,968.38 kms