There are
2,775 mi
from Riverside, CA to Peekskill, NY
That's the driving distance. It would take 2 days 1 hour to go from Riverside, California to Peekskill, New York.
The flight distance (direct flight from Riverside, CA to Peekskill, NY) is 2,406.65 mi.
2,775 mi = 4,465.81 kms