Here are a few suggestions for your next trip from Freiburg

In 2 hours, you can reach Zürich.

In 4 hours, you can reach Paris, Luxemburg, Schaan, Genève, Esch-sur-Alzette, Vaduz, Lyon.

In 5 hours, you can reach Bryssel, München.

In 6 hours, you can reach London, Amsterdam, Hamburg, Milano, Marseille, Rotterdam, Antwerpen.

In 7 hours, you can reach Berlin.

In 9 hours, you can reach Rom, Wien, Birmingham.

In 10+ hours, you can reach Madrid, Budapest, Warszawa, Stockholm, Prag, Köpenhamn, Dublin, Zagreb, Bratislava, Ljubljana...