Here are a few suggestions for your next trip from Gravelines

In 2 hours, you can reach Brussels, Anderlecht, Schaerbeek, Lille, Molenbeek-Saint-Jean, Ixelles, Uccle.

In 3 hours, you can reach Paris, London, Antwerpen, Gent, Leuven, Mons.

In 4 hours, you can reach Rotterdam, Charleroi, Liège, Brugge, Breda, Namur, Rouen, Reims.

In 5 hours, you can reach Amsterdam, Luxembourg, Birmingham, Esch-sur-Alzette, Dudelange, The Hague, Lyon, Schifflange, Utrecht.