Miles between St Louis, MO and Lancaster, TX

There are
644 mi
from St Louis, MO to Lancaster, TX

That's the driving distance. It would take 12 hours 4 mins to go from St Louis, Missouri to Lancaster, Texas.

The flight distance (direct flight from St Louis, MO to Lancaster, TX) is 556.01 mi.

644 mi = 1,036.37 kms