Miles between St Charles, MO and Altus, OK

There are
636 mi
from St Charles, MO to Altus, OK

That's the driving distance. It would take 11 hours 30 mins to go from St Charles, Missouri to Altus, Oklahoma.

The flight distance (direct flight from St Charles, MO to Altus, OK) is 566.20 mi.

636 mi = 1,023.78 kms