Miles between St Louis, MO and Irving, TX

There are
635 mi
from St Louis, MO to Irving, TX

That's the driving distance. It would take 11 hours 53 mins to go from St Louis, Missouri to Irving, Texas.

The flight distance (direct flight from St Louis, MO to Irving, TX) is 551.63 mi.

635 mi = 1,022.14 kms