In 2 hours, you can reach Hamburg, Berlin, Bremen.
In 4 hours, you can reach Düsseldorf, Kolding, Essen, Enschede, Dortmund, Dresden.
In 5 hours, you can reach Odense, Köln, Poznań, Frankfurt am Main, Esbjerg, Szczecin, Ústí nad Labem, Horsens, Vejle, Arnhem...
In 6 hours, you can reach Copenhagen, Amsterdam, Prague, Århus, Munich, Wrocław, Utrecht, Groningen, Frederiksberg, Liège.