Here are a few suggestions for your next trip from Mannheim

In 3 hours, you can reach Munich.

In 4 hours, you can reach Paris, Brussels, Zürich, Luxembourg, Esch-sur-Alzette.

In 5 hours, you can reach Berlin, Amsterdam, Schaan, Antwerpen, Vaduz.

In 6 hours, you can reach London, Hamburg, Rotterdam, Genève.

In 7 hours, you can reach Milan.

In 8 hours, you can reach Vienna, Prague, Bratislava, Birmingham, Marseille.

In 9 hours, you can reach Brno, Graz.

In 10+ hours, you can reach Madrid, Rome, Bucharest, Budapest, Warsaw, Stockholm, Copenhagen, Zagreb, Ljubljana, Monaco...