There are
1,938 mi
from Missoula, MT to Gahanna, OH
That's the driving distance. It would take 1 day 9 hours to go from Missoula, Montana to Gahanna, Ohio.
The flight distance (direct flight from Missoula, MT to Gahanna, OH) is 1,620.11 mi.
1,938 mi = 1.61 kms