Miles between St Charles, MO and Mchenry, IL

There are
343 mi
from St Charles, MO to Mchenry, IL

That's the driving distance. It would take 6 hours 37 mins to go from St Charles, Missouri to Mchenry, Illinois.

The flight distance (direct flight from St Charles, MO to Mchenry, IL) is 271.76 mi.

343 mi = 551.71 kms