Miles between San Mateo, CA and New Castle, PA

There are
2,555 mi
from San Mateo, CA to New Castle, PA

That's the driving distance. It would take 1 day 20 hours to go from San Mateo, California to New Castle, Pennsylvania.

The flight distance (direct flight from San Mateo, CA to New Castle, PA) is 2,235.95 mi.

2,555 mi = 3.22 kms