Here are a few suggestions for your next trip from Pisa

In 2 hours, you can reach Genoa.

In 3 hours, you can reach Roma.

In 4 hours, you can reach Milan, Napoli, Torino.

In 5 hours, you can reach Monaco.

In 6 hours, you can reach Nice.

In 7 hours, you can reach Bern.

In 8 hours, you can reach Zürich, Genève, Basel, Lausanne, Koper.

In 9 hours, you can reach Ljubljana, Schaan, Marseille, Vaduz, München, Lyon, Kranj, Triesen.

In 10+ hours, you can reach Berlin, Paris, Budapest, Wien, Praha, Amsterdam, Zagreb, Bratislava, Hamburg, Graz...