Miles between St Peters, MO and Grayslake, IL

There are
341 mi
from St Peters, MO to Grayslake, IL

That's the driving distance. It would take 6 hours 39 mins to go from St Peters, Missouri to Grayslake, Illinois.

The flight distance (direct flight from St Peters, MO to Grayslake, IL) is 280.70 mi.

341 mi = 548.72 kms