Miles between Costa Mesa, CA and Watertown, SD

There are
1,734 mi
from Costa Mesa, CA to Watertown, SD

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

The flight distance (direct flight from Costa Mesa, CA to Watertown, SD) is 1,351.26 mi.

1,734 mi = 1.61 kms