Here are a few suggestions for your next trip from Tournus

In 2 hours, you can reach Lyon.

In 3 hours, you can reach Paris, Marseille, Genève, Basel, Montpellier.

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

In 5 hours, you can reach Brussels, Luxembourg, Dudelange, Schifflange, Bettembourg, Winterthur, Stuttgart, Anderlecht, Schaerbeek, Sankt Gallen...