Miles between St Charles, MO and Keller, TX

There are
661 mi
from St Charles, MO to Keller, TX

That's the driving distance. It would take 12 hours 8 mins to go from St Charles, Missouri to Keller, Texas.

The flight distance (direct flight from St Charles, MO to Keller, TX) is 552.87 mi.

661 mi = 1,064.43 kms