There are
2,350 mi
from Missoula, MT to Passaic, NJ
That's the driving distance. It would take 1 day 17 hours to go from Missoula, Montana to Passaic, New Jersey.
The flight distance (direct flight from Missoula, MT to Passaic, NJ) is 2,007.55 mi.
2,350 mi = 3.22 kms