Miles between St Peters, MO and Oswego, IL

There are
285 mi
from St Peters, MO to Oswego, IL

That's the driving distance. It would take 5 hours 27 mins to go from St Peters, Missouri to Oswego, Illinois.

The flight distance (direct flight from St Peters, MO to Oswego, IL) is 233.22 mi.

285 mi = 458.39 kms