Miles between St Louis, MO and Port Washington, WI

There are
398 mi
from St Louis, MO to Port Washington, WI

That's the driving distance. It would take 7 hours 35 mins to go from St Louis, Missouri to Port Washington, Wisconsin.

The flight distance (direct flight from St Louis, MO to Port Washington, WI) is 350.47 mi.

398 mi = 640.82 kms