Miles between Missoula, MT and Watertown, SD

There are
1,089 mi
from Missoula, MT to Watertown, SD

That's the driving distance. It would take 17 hours 48 mins to go from Missoula, Montana to Watertown, South Dakota.

The flight distance (direct flight from Missoula, MT to Watertown, SD) is 822.67 mi.

1,089 mi = 1.61 kms