Here are a few suggestions for your next trip from Fredericia

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

In 3 hours, you can reach Malmö, Aalborg.

In 4 hours, you can reach Hambourg.

In 6 hours, you can reach Berlin, Göteborg.

In 7 hours, you can reach Cologne.

In 8 hours, you can reach Stockholm, Utrecht.

In 9 hours, you can reach Amsterdam, Rotterdam, La Haye, Uppsala.

In 10+ hours, you can reach Paris, Budapest, Varsovie, Vienne, Prague, Bruxelles, Zagreb, Oslo, Bratislava, Zurich...