From Naples airport fly to Munich airport then light rail to Munich. 2hrs 24min $209. From Napoli Centrale train to Roma Termini, train to Verona Porta Nuova, then train to München Hbf. 11hrs 20min $200. From Napoli Centrale station train to Tiburtina, train to Roma Termini, then train to München Hbf. 14hrs 16min $192. From Naples bus to Munich. 17hrs 43min $125. From Naples drive to Munich. 11hrs 37min $267.