Here are a few suggestions for your next trip from Fredericia

In 2 hours, you can reach Copenhagen, Århus, Odense.

In 3 hours, you can reach Malmö, Aalborg.

In 4 hours, you can reach Hamburg.

In 6 hours, you can reach Berlin, Gothenburg.

In 7 hours, you can reach Cologne.

In 8 hours, you can reach Stockholm, Utrecht.

In 9 hours, you can reach Amsterdam, Rotterdam, The Hague, Uppsala.

In 10+ hours, you can reach Paris, Budapest, Warsaw, Vienna, Prague, Brussels, Zagreb, Oslo, Bratislava, Zürich...