Miles between St Charles, MO and Harker Heights, TX

There are
779 mi
from St Charles, MO to Harker Heights, TX

That's the driving distance. It would take 14 hours 26 mins to go from St Charles, Missouri to Harker Heights, Texas.

The flight distance (direct flight from St Charles, MO to Harker Heights, TX) is 668.33 mi.

779 mi = 1,253.24 kms