Here are a few suggestions for your next trip from Millingen(b Rees)

In 2 hours, you can reach Arnhem, Amsterdam, Utrecht, Köln, Tilburg, Düsseldorf, Essen, Nijmegen, Dortmund.

In 3 hours, you can reach Rotterdam, The Hague, Frankfurt am Main, Liège, Eindhoven, Almere Stad, Breda, Enschede, Haarlem, Zaanstad.

In 4 hours, you can reach Brussels, Antwerpen, Groningen, Stuttgart, Anderlecht, Schaerbeek, Leuven, Molenbeek-Saint-Jean, Bremen, Ixelles...