There are
2,383 mi
from Missoula, MT to Poughkeepsie, NY
That's the driving distance. It would take 1 day 18 hours to go from Missoula, Montana to Poughkeepsie, New York.
The flight distance (direct flight from Missoula, MT to Poughkeepsie, NY) is 1,992.91 mi.
2,383 mi = 3.22 kms