There are
490 mi
from Roanoke, VA to Hempstead, NY
That's the driving distance. It would take 9 hours 38 mins to go from Roanoke, Virginia to Hempstead, New York.
The flight distance (direct flight from Roanoke, VA to Hempstead, NY) is 414.11 mi.
490 mi = 788.83 kms