Amsterdam → Oslo → Aarhus → Stockholm → Tallinn → Helsinki → Copenhagen → Amsterdam

Helsinki → Tallinn → Stockholm → Riga → Berlin → Hamburg → Copenhagen

Oslo → Skagen → Copenhagen → Gdansk → Liepāja → Tallinn → Helsinki → Stockholm → Berlin → Amsterdam → Tilbury

Copenhagen → Hamburg → Berlin → Gdansk → Klaipeda → Stockholm → Tallinn → Helsinki

Copenhagen → Oslo → Berlin → Gdansk → Visby → Riga → Stockholm → Tallinn → Helsinki

Copenhagen → Oslo → Berlin → Gdansk → Visby → Riga → Stockholm → Tallinn → Helsinki