Nice (Villefranche), France
Florence / Pisa (Livorno), Italy
Rome (Civitavecchia), Italy
I've read a lot of the other posts and found the following two sites to be helpful with rail fares:
France Rail Service
Italian Rail Service:
However it is somewhat difficult to do because I don't know the exact stop names for each destination. Does anyone know where I can find local maps of the area showing train stops / routes and possibly where the port is?