Miles between St Louis, MO and Mequon, WI

There are
393 mi
from St Louis, MO to Mequon, WI

That's the driving distance. It would take 7 hours 24 mins to go from St Louis, Missouri to Mequon, Wisconsin.

The flight distance (direct flight from St Louis, MO to Mequon, WI) is 338.66 mi.

393 mi = 631.97 kms