There are
1,505 mi
from Missoula, MT to Mequon, WI
That's the driving distance. It would take 1 day 2 hours to go from Missoula, Montana to Mequon, Wisconsin.
The flight distance (direct flight from Missoula, MT to Mequon, WI) is 1,288.88 mi.
1,505 mi = 1.61 kms