Can somebody confirm which of these routes is the quickest from Dallas to LA?

1. Dallas/Amarillo/Albuquerque/Flagstaff/Barstow/LA
2. Dallas/Midland/El Paso/Tucson/Phoenix/Blythe/LA
3. Dallas/Midland/El Paso/Tucson/Yuma/San Diego/LA

I would appreciate anyone's help.