There are
1,836 mi
from Missoula, MT to Romulus, MI
That's the driving distance. It would take 1 day 8 hours to go from Missoula, Montana to Romulus, Michigan.
The flight distance (direct flight from Missoula, MT to Romulus, MI) is 1,531.42 mi.
1,836 mi = 1.61 kms