Miles between Great Falls, MT and Watertown, SD

There are
874 mi
from Great Falls, MT to Watertown, SD

That's the driving distance. It would take 14 hours 52 mins to go from Great Falls, Montana to Watertown, South Dakota.

The flight distance (direct flight from Great Falls, MT to Watertown, SD) is 700.69 mi.

874 mi = 1,406.61 kms