In 2 hours, you can reach Berlin, Hamburg.
In 3 hours, you can reach Bremen.
In 4 hours, you can reach Dresden.
In 5 hours, you can reach Poznań, Düsseldorf, Szczecin, Kolding, Ústí nad Labem, Essen, Enschede, Dortmund, Nürnberg.
In 6 hours, you can reach Prague, Århus, Odense, Munich, Köln, Utrecht, Wrocław, Liberec, Frankfurt am Main, Esbjerg...
In 7 hours, you can reach Copenhagen, Amsterdam, Warsaw.