There are
496 mi
from New Braunfels, TX to Stillwater, OK
That's the driving distance. It would take 8 hours 49 mins to go from New Braunfels, Texas to Stillwater, Oklahoma.
The flight distance (direct flight from New Braunfels, TX to Stillwater, OK) is 447.35 mi.
496 mi = 798.47 kms