There are
1,349 mi
from Missoula, MT to Leavenworth, KS
That's the driving distance. It would take 23 hours 5 mins to go from Missoula, Montana to Leavenworth, Kansas.
The flight distance (direct flight from Missoula, MT to Leavenworth, KS) is 1,091.72 mi.
1,349 mi = 1.61 kms