There are
2,904 mi
from Mt Vernon, WA to Peekskill, NY
That's the driving distance. It would take 2 days 3 hours to go from Mt Vernon, Washington to Peekskill, New York.
The flight distance (direct flight from Mt Vernon, WA to Peekskill, NY) is 2,380.46 mi.
2,904 mi = 4,673.46 kms