There are
1,726 mi
from Murrieta, CA to Watertown, SD
That's the driving distance. It would take 1 day 6 hours to go from Murrieta, California to Watertown, South Dakota.
The flight distance (direct flight from Murrieta, CA to Watertown, SD) is 1,324.99 mi.
1,726 mi = 1.61 kms