Twobit- He loves Florida because Disney world and that's where micky lives.
Darry- Tennessee, because there's the Smokey Mountains which is calming to him
Dallas- We all know Dally loves New York so he'd go back there to meet some old friends of his and relive the good old days.
Sodapop- California, Hollywood. Because he loves seeing the girls scream for him as if he were a movie star.
Johnny- Michigan, It just seems like a nice place to him and he loves hanging around Lake Michigan, watching the sunset and stargazing
Steve- Texas, because he secretly loves being one of those mysterious characters in the old western movies, like Clint Eastwood.
Ponyboy- California, like Soda but around the Redwoods because he loves touching ground with nature and it gives him peace as he sits next to a tree and reads books, writes poems and draws the view.