Miles between Tomball, TX and Watertown, SD

There are
1,166 mi
from Tomball, TX to Watertown, SD

That's the driving distance. It would take 20 hours 27 mins to go from Tomball, Texas to Watertown, South Dakota.

The flight distance (direct flight from Tomball, TX to Watertown, SD) is 1,025.98 mi.

1,166 mi = 1,877.20 kms