Originally Posted by
iapetus
The principal reason that I would suggest skipping Napoli here is that it is more "out of the way" than Cinque Terre for a trip like this. I could see heading west out of Venezia to Cinque Terre and then picking one's way south to Roma. But I agree that skipping Napoli would be missing out on a lot.
Worst case scenario, I can skip the south of Italy in its entirety, and make my way down there whenever I go back to Europe and check out Greece (maybe a Greece + south Italy trip) or something like that.