There are
1,196 mi
from Missoula, MT to Chaska, MN
That's the driving distance. It would take 20 hours 5 mins to go from Missoula, Montana to Chaska, Minnesota.
The flight distance (direct flight from Missoula, MT to Chaska, MN) is 990.57 mi.
1,196 mi = 1.61 kms