Miles between San Mateo, CA and Allentown, PA

There are
2,851 mi
from San Mateo, CA to Allentown, PA

That's the driving distance. It would take 2 days 2 hours to go from San Mateo, California to Allentown, Pennsylvania.

The flight distance (direct flight from San Mateo, CA to Allentown, PA) is 2,490.99 mi.

2,851 mi = 3.22 kms