There are
2,643 mi
from Hanford, CA to St Marys, PA
That's the driving distance. It would take 1 day 23 hours to go from Hanford, California to St Marys, Pennsylvania.
The flight distance (direct flight from Hanford, CA to St Marys, PA) is 2,217.60 mi.
2,643 mi = 4,252.86 kms