There are
2,807 mi
from Rosemead, CA to Ossining, NY
That's the driving distance. It would take 2 days 2 hours to go from Rosemead, California to Ossining, New York.
The flight distance (direct flight from Rosemead, CA to Ossining, NY) is 2,441.55 mi.
2,807 mi = 4,517.05 kms