Miles between St Charles, MO and Boerne, TX

There are
922 mi
from St Charles, MO to Boerne, TX

That's the driving distance. It would take 17 hours 2 mins to go from St Charles, Missouri to Boerne, Texas.

The flight distance (direct flight from St Charles, MO to Boerne, TX) is 777.91 mi.

922 mi = 1,483.80 kms