There are
2,853 mi
from Hempstead, NY to Oroville, CA
That's the driving distance. It would take 2 days 2 hours to go from Hempstead, New York to Oroville, California.
The flight distance (direct flight from Hempstead, NY to Oroville, CA) is 2,502.53 mi.
2,853 mi = 4,592.07 kms