Miles between Riverside, CA and Watertown, SD

There are
1,694 mi
from Riverside, CA to Watertown, SD

That's the driving distance. It would take 1 day 5 hours to go from Riverside, California to Watertown, South Dakota.

The flight distance (direct flight from Riverside, CA to Watertown, SD) is 1,314.46 mi.

1,694 mi = 1.61 kms