Miles between St Louis, MO and Southlake, TX

There are
637 mi
from St Louis, MO to Southlake, TX

That's the driving distance. It would take 11 hours 54 mins to go from St Louis, Missouri to Southlake, Texas.

The flight distance (direct flight from St Louis, MO to Southlake, TX) is 552.30 mi.

637 mi = 1,024.44 kms