to this i say you need to think about it in terms of the best version of each, not where you may have to reside. which is itself subective, but you get the point.
i personally think a great version of each sandwich can be found in each of our 50 states. just like any cuisine.
i'm not a big believer in the idea or claim that only certain regions/states can have a good version of a certain food. maybe in some states it's easier to find a good version of something.
but every region and state has talented passionate folks from every culture/heritage with the same access to fresh ingredients anyone anywhere else has these days.