Here are a few suggestions for your next trip from Blankenheim(Sangerhausen)

In 3 hours, you can reach Berlin, Dresden, Nürnberg.

In 4 hours, you can reach Munich, Frankfurt am Main, Ústí nad Labem, Bremen.

In 5 hours, you can reach Prague, Hamburg, Köln, Liberec, Stuttgart, Szczecin, Essen, Dortmund, Most.

In 6 hours, you can reach Linz, Wrocław, Poznań, Strasbourg, Düsseldorf, Salzburg, Enschede, Arnhem.

In 7 hours, you can reach Brussels, Amsterdam, Basel, Pilsen, Utrecht, Liège.