Miles between Lake Forest, CA and Watertown, SD

There are
1,727 mi
from Lake Forest, CA to Watertown, SD

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

The flight distance (direct flight from Lake Forest, CA to Watertown, SD) is 1,341.07 mi.

1,727 mi = 1.61 kms