Turku ferry terminal is 112 km east of Langnäs. This corresponds to a distance of 60 nautical miles.
The ferry port of Turku connects Finland with Sweden and Åland. The routes Turku - Mariehamn, Turku - Kapellskär, Turku - Langnäs and Turku - Stockholm are offered here several times a day by the shipping companies Viking Line and Tallink & Silja Line.