From Naples airport fly to Munich airport then light rail to Munich. 2hrs 24min $205. From Napoli Centrale train to Roma Termini, train to Verona Porta Nuova, then train to München Hbf. 11hrs 20min $173. From Napoli Centrale station train to Tiburtina, subway to Roma Termini, then train to München Hbf. 13hrs 47min $180. From Naples bus to Munich. 17hrs 43min $108. From Naples drive to Munich. 11hrs 37min $242.