There are
2,658 mi
from Kennewick, WA to Plattsburgh, NY
That's the driving distance. It would take 2 days to go from Kennewick, Washington to Plattsburgh, New York.
The flight distance (direct flight from Kennewick, WA to Plattsburgh, NY) is 2,185.77 mi.
2,658 mi = 4,276.93 kms