Here are a few suggestions for your next trip from Milano Certosa

In 2 hours, you can reach Milan, Turin, Bologna, Lugano.

In 3 hours, you can reach Genoa, Florence, Verona, Thun, Padova.

In 4 hours, you can reach Zürich, Lausanne, Bern, Luzern, Biel/Bienne.

In 5 hours, you can reach Rome, Genève, Basel, Winterthur, Trieste.

In 6 hours, you can reach Monaco, Schaan, Vaduz, Naples, Lyon, Triesen, Eschen, Koper, Nice, Mauren...