Here are a few suggestions for your next trip from Köln-Buchforst

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

In 3 hours, you can reach Amsterdam, Brussels, Antwerpen, Utrecht, Stuttgart, Eindhoven, Anderlecht, Tilburg, Schaerbeek, Namur...

In 4 hours, you can reach Paris, Luxembourg, Rotterdam, The Hague, Gent, Charleroi, Strasbourg, Brugge.