TT-Line sails six routes between six ports in four countries, mostly Trelleborg, Travemünde and Klaipėda. From Trelleborg: Travemünde, Rostock and Świnoujście. From Travemünde: Trelleborg, Klaipėda, Rostock and Karlshamn. From Klaipėda: Karlshamn. From Rostock: Trelleborg and Klaipėda.