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