Here are a few suggestions for your next trip from Berlin

In 2 hours, you can reach Hamburg.

In 4 hours, you can reach Prag, München.

In 6 hours, you can reach Warschau, Amsterdam, Vilnius, Łódź.

In 7 hours, you can reach Kopenhagen, Brüssel, Rotterdam, Brünn, Århus, Krakau.

In 8 hours, you can reach Paris, Wien, Zürich, Luxemburg, Schaan, Antwerpen, Vaduz.

In 9 hours, you can reach London, Bratislava, Esch-an-der-Alzette.

In 10+ hours, you can reach Rom, Bukarest, Budapest, Stockholm, Zagreb, Laibach, Mailand, Marseille, Göteborg, Graz...