From Wien Mitte-Landstraße (City Airport Train) train to Vienna airport then fly to Naples airport. 3hrs 14min 199 €. From Wien Mitte train to Wien Meidling, train to Roma Termini, then train to Napoli Centrale. 15hrs 38min. From Wien bus to Napoli. 18hrs 25min 134 €. From Wien Stephansplatz (U3) Subway to Vienna then bus to Naples. 19hrs 23min 92 €. From Vienna drive to Naples. 13hrs 04min 231 €.