Here are a few suggestions for your next trip from Grebenstein

In 2 hours, you can reach Frankfurt am Main.

In 3 hours, you can reach Hamburg, Essen, Dortmund, Bremen, Nürnberg.

In 4 hours, you can reach Berlin, Köln, Stuttgart, Düsseldorf, Strasbourg, Enschede, Dresden, Arnhem.

In 5 hours, you can reach Amsterdam, Munich, Basel, Utrecht, Liège, Nijmegen.

In 6 hours, you can reach Luxembourg, Brussels, Paris, Rotterdam, Linz, The Hague, Dudelange, Schifflange, Groningen, Bettembourg.