Here are a few suggestions for your next trip from Serres

In 3 hours, you can reach Marseille.

In 4 hours, you can reach Lyon.

In 5 hours, you can reach Genève, Montpellier.

In 6 hours, you can reach Paris, Monaco, Nice.

In 7 hours, you can reach Milan, Toulouse, Lausanne, Turin, Lille, Reims.

In 8 hours, you can reach Brussels, Antwerpen, Barcelona, Gent, Dudelange, Basel, Bettembourg, Anderlecht, Nantes, Strasbourg...