There are
1,884 mi
from Salinas, CA to Watertown, SD
That's the driving distance. It would take 1 day 8 hours to go from Salinas, California to Watertown, South Dakota.
The flight distance (direct flight from Salinas, CA to Watertown, SD) is 1,396.72 mi.
1,884 mi = 1.61 kms