Miles between Oklahoma City, OK and St Charles, IL

There are
779 mi
from Oklahoma City, OK to St Charles, IL

That's the driving distance. It would take 14 hours 24 mins to go from Oklahoma City, Oklahoma to St Charles, Illinois.

The flight distance (direct flight from Oklahoma City, OK to St Charles, IL) is 666.43 mi.

779 mi = 1,254.38 kms