There are
1,432 mi
from Lewisville, TX to Los Alamitos, CA
That's the driving distance. It would take 1 day to go from Lewisville, Texas to Los Alamitos, California.
The flight distance (direct flight from Lewisville, TX to Los Alamitos, CA) is 1,214.54 mi.
1,432 mi = 1.61 kms