There are
2,681 mi
from Downey, CA to Pottstown, PA
That's the driving distance. It would take 1 day 23 hours to go from Downey, California to Pottstown, Pennsylvania.
The flight distance (direct flight from Downey, CA to Pottstown, PA) is 2,358.57 mi.
2,681 mi = 4,314.32 kms