Here are a few suggestions for your next trip from Costa(I)

In 3 hours, you can reach Bologna, Verona, Padova.

In 4 hours, you can reach Milan, Florence.

In 5 hours, you can reach Trieste.

In 6 hours, you can reach Rome, Naples, Turin, Koper, Genoa, Lugano, Villach, Nova Gorica.

In 7 hours, you can reach Innsbruck, Jesenice, Klagenfurt am Wörthersee.

In 8 hours, you can reach Zürich, Graz, Munich, Kranj, Lausanne, Bern, Luzern, Škofja Loka, Thun.