Miles between Allen, TX and Watertown, SD

There are
944 mi
from Allen, TX to Watertown, SD

That's the driving distance. It would take 16 hours 31 mins to go from Allen, Texas to Watertown, South Dakota.

The flight distance (direct flight from Allen, TX to Watertown, SD) is 815.38 mi.

944 mi = 1,518.46 kms