There are
2,848 mi
from Williamsport, PA to Arcata, CA
That's the driving distance. It would take 2 days 2 hours to go from Williamsport, Pennsylvania to Arcata, California.
The flight distance (direct flight from Williamsport, PA to Arcata, CA) is 2,422.39 mi.
2,848 mi = 4,583.66 kms