Miles between St Louis, MO and Watertown, MA

There are
1,173 mi
from St Louis, MO to Watertown, MA

That's the driving distance. It would take 22 hours 13 mins to go from St Louis, Missouri to Watertown, Massachusetts.

The flight distance (direct flight from St Louis, MO to Watertown, MA) is 1,029.64 mi.

1,173 mi = 1.61 kms