There are
2,828 mi
from Roseville, CA to Hempstead, NY
That's the driving distance. It would take 2 days 1 hour to go from Roseville, California to Hempstead, New York.
The flight distance (direct flight from Roseville, CA to Hempstead, NY) is 2,505.32 mi.
2,828 mi = 3.22 kms