If you wish to go with the ferry to Denmark, you can book your service here.
Bridges in Denmark
You can use most bridges of Denmark free of charge. The country has only two bridges, where you will be charged a fee to cross. This concerns the bridges Storebæltsbroen (the Great Belt Bridge) between Funen and Sealand as well as Øresundsbroen (the Øresund Bridge) between Sealand and Malmø in Sweden.
Find your fee and read more about the Great Belt Bridge and the Øresund Bridge.