In 2 hours, you can reach Hamburg, Bremen.
In 3 hours, you can reach Berlin.
In 4 hours, you can reach Düsseldorf, Kolding, Essen, Enschede, Dortmund.
In 5 hours, you can reach Odense, Köln, Frankfurt am Main, Esbjerg, Nijmegen, Vejle, Dresden, Arnhem.
In 6 hours, you can reach Amsterdam, Copenhagen, Århus, Utrecht, Liège, Groningen, Frederiksberg, Poznań, Stuttgart, Tilburg...