give me idea about if i want to go LA,Vegas ,Sandiago for vacation which place should i start and end first?

will anybody give me some idea about if i want to go LA,Vegas ,Sandiago for vacation which place should i start first and end at i am starting from nj .

Related posts:

1. Where can I find a really good deal on a Vegas vacation?
2. Best place to get a good deal on Las Vegas vacation?
3. how can I start a career in Las Vegas in a casino ?