There are
2,797 mi
from Rosemead, CA to Peekskill, NY
That's the driving distance. It would take 2 days 1 hour to go from Rosemead, California to Peekskill, New York.
The flight distance (direct flight from Rosemead, CA to Peekskill, NY) is 2,438.03 mi.
2,797 mi = 4,501.71 kms