Miles between St Peters, MO and Buffalo Grove, IL

There are
328 mi
from St Peters, MO to Buffalo Grove, IL

That's the driving distance. It would take 6 hours 19 mins to go from St Peters, Missouri to Buffalo Grove, Illinois.

The flight distance (direct flight from St Peters, MO to Buffalo Grove, IL) is 272.14 mi.

328 mi = 528.48 kms