There are
2,604 mi
from San Mateo, CA to Bethel Park, PA
That's the driving distance. It would take 1 day 21 hours to go from San Mateo, California to Bethel Park, Pennsylvania.
The flight distance (direct flight from San Mateo, CA to Bethel Park, PA) is 2,258.78 mi.
2,604 mi = 3.22 kms