There are
2,148 mi
from San Mateo, CA to Palos Hills, IL
That's the driving distance. It would take 1 day 13 hours to go from San Mateo, California to Palos Hills, Illinois.
The flight distance (direct flight from San Mateo, CA to Palos Hills, IL) is 1,845.86 mi.
2,148 mi = 3.22 kms