There are
1,879 mi
from Rialto, CA to Chatham, IL
That's the driving distance. It would take 1 day 8 hours to go from Rialto, California to Chatham, Illinois.
The flight distance (direct flight from Rialto, CA to Chatham, IL) is 1,569.62 mi.
1,879 mi = 1.61 kms