There are
1,796 mi
from Rialto, CA to Quincy, IL
That's the driving distance. It would take 1 day 7 hours to go from Rialto, California to Quincy, Illinois.
The flight distance (direct flight from Rialto, CA to Quincy, IL) is 1,481.71 mi.
1,796 mi = 1.61 kms