There are
1,757 mi
from Escondido, CA to Watertown, SD
That's the driving distance. It would take 1 day 6 hours to go from Escondido, California to Watertown, South Dakota.
The flight distance (direct flight from Escondido, CA to Watertown, SD) is 1,339.93 mi.
1,757 mi = 1.61 kms