Miles between St Peters, MO and Sycamore, IL

There are
307 mi
from St Peters, MO to Sycamore, IL

That's the driving distance. It would take 5 hours 46 mins to go from St Peters, Missouri to Sycamore, Illinois.

The flight distance (direct flight from St Peters, MO to Sycamore, IL) is 243.70 mi.

307 mi = 494.08 kms