Miles between Round Rock, TX and Slidell, LA

There are
515 mi
from Round Rock, TX to Slidell, LA

That's the driving distance. It would take 9 hours 44 mins to go from Round Rock, Texas to Slidell, Louisiana.

The flight distance (direct flight from Round Rock, TX to Slidell, LA) is 470.87 mi.

515 mi = 828.94 kms