There are
2,376 mi
from Missoula, MT to Peekskill, NY
That's the driving distance. It would take 1 day 18 hours to go from Missoula, Montana to Peekskill, New York.
The flight distance (direct flight from Missoula, MT to Peekskill, NY) is 2,004.66 mi.
2,376 mi = 3.22 kms