Miles between Round Rock, TX and Ardmore, OK

There are
274 mi
from Round Rock, TX to Ardmore, OK

That's the driving distance. It would take 4 hours 45 mins to go from Round Rock, Texas to Ardmore, Oklahoma.

The flight distance (direct flight from Round Rock, TX to Ardmore, OK) is 255.21 mi.

274 mi = 441.22 kms