There are
1,408 mi
from Yonkers, NY to Watertown, SD
That's the driving distance. It would take 1 day 2 hours to go from Yonkers, New York to Watertown, South Dakota.
The flight distance (direct flight from Yonkers, NY to Watertown, SD) is 1,201.86 mi.
1,408 mi = 1.61 kms