There are
1,409 mi
from Lewisville, TX to Norwalk, CA
That's the driving distance. It would take 1 day to go from Lewisville, Texas to Norwalk, California.
The flight distance (direct flight from Lewisville, TX to Norwalk, CA) is 1,214.66 mi.
1,409 mi = 2,267.56 kms