There are
2,919 mi
from Pittsburg, CA to Hempstead, NY
That's the driving distance. It would take 2 days 3 hours to go from Pittsburg, California to Hempstead, New York.
The flight distance (direct flight from Pittsburg, CA to Hempstead, NY) is 2,552.29 mi.
2,919 mi = 4,697.73 kms