From Opatija bus to Trieste Centrale then train to Venezia S.Lucia. 4 h 33 min 24€. From Opatija bus to Mestre Fs C3 then bus to Corsia A5. 4 h 34 min 25€. From Opatija bus to Rovinj then bus to Venice, Venice. 7 h 49 min 34€. From Opatija drive to Venice. 2 h 38 min 34€.
Bus from Opatija to Venice
Crnja Tours operates a bus from Opatija to Venice once daily. Tickets cost $16 - $28 and the journey takes 4 h 17 min. 2 other operators also service this route.