There are
2,448 mi
from Kalispell, MT to Patchogue, NY
That's the driving distance. It would take 1 day 20 hours to go from Kalispell, Montana to Patchogue, New York.
The flight distance (direct flight from Kalispell, MT to Patchogue, NY) is 2,072.79 mi.
2,448 mi = 3,939.42 kms