If you plan to travel between Copenhagen, Hamburg, Frankfurt and/or Basel, there is a City Night Line overnight sleeper train service called Aurora that runs daily. Other sleeper services are available to Amsterdam.
Odense is the third largest city in Denmark, with a population of around 170,000. The city's main railway station is situated on the route between Copenhagen and Jutland, with international routes linking the town with Sweden and Europe.
The City Night Line service between Amsterdam and Copenhagen takes place aboard the Borealis sleeper train. A restaurant car serves passengers between Hamburg and Copenhagen. There are two border crossing points at Emmerich and Flensburg.