There are
2,951 mi
from Allentown, PA to Arcata, CA
That's the driving distance. It would take 2 days 4 hours to go from Allentown, Pennsylvania to Arcata, California.
The flight distance (direct flight from Allentown, PA to Arcata, CA) is 2,510.30 mi.
2,951 mi = 3.22 kms