Miles between St Louis, MO and Westmont, IL

There are
280 mi
from St Louis, MO to Westmont, IL

That's the driving distance. It would take 5 hours 14 mins to go from St Louis, Missouri to Westmont, Illinois.

The flight distance (direct flight from St Louis, MO to Westmont, IL) is 248.39 mi.

280 mi = 450.02 kms