Miles between St Louis, MO and Rockwall, TX

There are
640 mi
from St Louis, MO to Rockwall, TX

That's the driving distance. It would take 11 hours 31 mins to go from St Louis, Missouri to Rockwall, Texas.

The flight distance (direct flight from St Louis, MO to Rockwall, TX) is 526.99 mi.

640 mi = 1,029.38 kms