There are
2,602 mi
from Arcadia, CA to Williamsport, PA
That's the driving distance. It would take 1 day 22 hours to go from Arcadia, California to Williamsport, Pennsylvania.
The flight distance (direct flight from Arcadia, CA to Williamsport, PA) is 2,274.57 mi.
2,602 mi = 4,187.52 kms