Miles between St Louis, MO and Romeoville, IL

There are
268 mi
from St Louis, MO to Romeoville, IL

That's the driving distance. It would take 4 hours 59 mins to go from St Louis, Missouri to Romeoville, Illinois.

The flight distance (direct flight from St Louis, MO to Romeoville, IL) is 236.57 mi.

268 mi = 430.76 kms