There are
1,462 mi
from Missoula, MT to Watertown, WI
That's the driving distance. It would take 1 day 1 hour to go from Missoula, Montana to Watertown, Wisconsin.
The flight distance (direct flight from Missoula, MT to Watertown, WI) is 1,254.95 mi.
1,462 mi = 1.61 kms