Here are a few suggestions for your next trip from Genval

In 2 hours, you can reach Brussels, Anderlecht, Schaerbeek, Namur, Molenbeek-Saint-Jean, Ixelles, Uccle, Antwerpen, Gent, Charleroi...

In 3 hours, you can reach Paris, London, Amsterdam, Rotterdam, The Hague, Köln, Tilburg, Breda.

In 4 hours, you can reach Luxembourg, Esch-sur-Alzette, Dudelange, Utrecht, Schifflange, Frankfurt am Main, Bettembourg.