Miles between Santa Monica, CA and Watertown, SD

There are
1,742 mi
from Santa Monica, CA to Watertown, SD

That's the driving distance. It would take 1 day 6 hours to go from Santa Monica, California to Watertown, South Dakota.

The flight distance (direct flight from Santa Monica, CA to Watertown, SD) is 1,359.18 mi.

1,742 mi = 1.61 kms