Miles between Lewisville, TX and Mandeville, LA

There are
520 mi
from Lewisville, TX to Mandeville, LA

That's the driving distance. It would take 9 hours 25 mins to go from Lewisville, Texas to Mandeville, Louisiana.

The flight distance (direct flight from Lewisville, TX to Mandeville, LA) is 447.50 mi.

520 mi = 837.03 kms