There are
2,904 mi
from Antioch, CA to Hempstead, NY
That's the driving distance. It would take 2 days 3 hours to go from Antioch, California to Hempstead, New York.
The flight distance (direct flight from Antioch, CA to Hempstead, NY) is 2,548.78 mi.
2,904 mi = 3.22 kms