There are
2,150 mi
from San Mateo, CA to Richton Park, IL
That's the driving distance. It would take 1 day 13 hours to go from San Mateo, California to Richton Park, Illinois.
The flight distance (direct flight from San Mateo, CA to Richton Park, IL) is 1,852.46 mi.
2,150 mi = 3.22 kms