There are
2,635 mi
from Williamsport, PA to Manhattan Beach, CA
That's the driving distance. It would take 1 day 22 hours to go from Williamsport, Pennsylvania to Manhattan Beach, California.
The flight distance (direct flight from Williamsport, PA to Manhattan Beach, CA) is 2,301.52 mi.
2,635 mi = 4,240.80 kms