Here are a few suggestions for your next trip from Brocken

In 5 hours, you can reach Berlin, Hamburg, Dortmund, Dresden, Bremen, Nürnberg.

In 6 hours, you can reach Köln, Frankfurt am Main, Düsseldorf, Essen, Enschede.

In 7 hours, you can reach Munich, Stuttgart, Szczecin, Strasbourg, Ústí nad Labem, Arnhem.

In 8 hours, you can reach Prague, Amsterdam, Basel, Utrecht, Poznań, Liège, Liberec, Nijmegen, Leuven, Most.