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