From Naples airport fly to Munich airport then train to Munich. 2hrs 25min $94. From Napoli Centrale train to Roma Termini, train to Verona Porta Nuova, then train to München Ost. 11hrs 05min $179. From Naples bus to Rome Tiburtina bus station then line 531 bus to Munich central bus station. 15hrs 24min $98. From Naples bus to München ZOB. 15hrs 45min $96. From Napoli Centrale train to Roma Termini then night train to München Hbf. 13hrs 33min $174. From Naples drive to Munich. 10hrs 31min $243.