From Wien Mitte-Landstraße (City Airport Train) train to Vienna airport then fly to Naples airport. 3hrs 14min 198 €. From Wien Mitte train to Wien Meidling, train to Firenze S.M.N., then train to Napoli Centrale. 14hrs 07min. From Wien bus to Napoli. 18hrs 25min 140 €. From Wien Stephansplatz (U3) Subway to Vienna then bus to Naples. 19hrs 23min 91 €. From Vienna drive to Naples. 13hrs 04min 229 €.