Here are a few suggestions for your next trip from Kopenhagen

In 2 hours, you can reach Malmö, Odense.

In 3 hours, you can reach Århus.

In 4 hours, you can reach Göteborg, Linköping.

In 5 hours, you can reach Hamburg, Aalborg.

In 6 hours, you can reach Stockholm.

In 7 hours, you can reach Berlin, Uppsala.

In 8 hours, you can reach Oslo.

In 9 hours, you can reach Köln, Frankfurt am Main.

In 10+ hours, you can reach Paris, Budapest, Warschau, Wien, Prag, Brüssel, Amsterdam, Bratislava, Zürich, Rotterdam...