Here are a few suggestions for your next trip from Bergheim(Erft)

In 2 hours, you can reach Köln, Liège, Frankfurt am Main, Düsseldorf, Essen, Dortmund.

In 3 hours, you can reach Brussels, Utrecht, Eindhoven, Stuttgart, Anderlecht, Schaerbeek, Namur, Nijmegen, Leuven, Molenbeek-Saint-Jean...

In 4 hours, you can reach Amsterdam, Rotterdam, Antwerpen, Gent, The Hague, Charleroi, Tilburg, Strasbourg, Almere Stad, Brugge...