Here are a few suggestions for your next trip from Walldorf(Werra)

In 3 hours, you can reach Frankfurt am Main, Nürnberg.

In 4 hours, you can reach Berlin, Munich, Dresden.

In 5 hours, you can reach Hamburg, Köln, Stuttgart, Strasbourg, Düsseldorf, Ústí nad Labem, Essen, Dortmund, Bremen.

In 6 hours, you can reach Prague, Basel, Liberec, Liège, Salzburg, Szczecin, Enschede, Arnhem, Most.

In 7 hours, you can reach Luxembourg, Paris, Brussels, Amsterdam, Dudelange, Linz, Pilsen.