There are
2,144 mi
from San Mateo, CA to Schiller Park, IL
That's the driving distance. It would take 1 day 13 hours to go from San Mateo, California to Schiller Park, Illinois.
The flight distance (direct flight from San Mateo, CA to Schiller Park, IL) is 1,842.35 mi.
2,144 mi = 3.22 kms