There are
1,799 mi
from Rialto, CA to Collinsville, IL
That's the driving distance. It would take 1 day 7 hours to go from Rialto, California to Collinsville, Illinois.
The flight distance (direct flight from Rialto, CA to Collinsville, IL) is 1,549.40 mi.
1,799 mi = 1.61 kms