In Copenhagen, you can choose between two different versions of the City Pass – the City Pass Small and the City Pass Large.
The City Pass Small gives you unlimited access to buses, trains, metro and harbour buses in zones 1 - 4, which includes the center of Copenhagen and to and from the airport.
Meanwhile, the City Pass Large let you travel unlimited in zones 1 – 99, which includes Roskilde, Elsinore and other destinations in Northern Zealand.
The City Pass is valid for 24, 48, 72, 96 or 120 hours.
You can buy your City Pass at the ticket vending machine at all stations and including at the airport, or online at www.citypass.dk
Read more about the Citypass here.