There are
2,818 mi
from Vallejo, CA to Pottstown, PA
That's the driving distance. It would take 2 days 1 hour to go from Vallejo, California to Pottstown, Pennsylvania.
The flight distance (direct flight from Vallejo, CA to Pottstown, PA) is 2,471.92 mi.
2,818 mi = 3.22 kms