There are
2,852 mi
from San Leandro, CA to Pottstown, PA
That's the driving distance. It would take 2 days 2 hours to go from San Leandro, California to Pottstown, Pennsylvania.
The flight distance (direct flight from San Leandro, CA to Pottstown, PA) is 2,475.09 mi.
2,852 mi = 3.22 kms