Here are a few suggestions for your next trip from Königswinter

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

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

In 4 hours, you can reach Amsterdam, Luxembourg, Antwerpen, Gent, Charleroi, Utrecht, Tilburg, Strasbourg, Brugge, Merl...