Here are a few suggestions for your next trip from Mannheim

In 3 hours, you can reach Paris.

In 4 hours, you can reach Brüssel, Zürich, Luxemburg, Esch-an-der-Alzette.

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

In 6 hours, you can reach London, Genf.

In 7 hours, you can reach Mailand, Marseille.

In 8 hours, you can reach Wien, Prag.

In 9 hours, you can reach Bratislava, Laibach, Birmingham, Brünn, Graz.

In 10+ hours, you can reach Madrid, Rom, Bukarest, Budapest, Warschau, Stockholm, Kopenhagen, Dublin, Zagreb, Monaco...