There are
2,530 mi
from Missoula, MT to Concord, NH
That's the driving distance. It would take 1 day 22 hours to go from Missoula, Montana to Concord, New Hampshire.
The flight distance (direct flight from Missoula, MT to Concord, NH) is 2,064 mi.
2,530 mi = 3.22 kms