The territorial sea is 12nmi (22km) from the coast. Even where this covers the whole distance (e.g. Denmark and Sweden) foreign ships still have the right to p

The territorial sea is 12nmi (22km) from the coast. Even where this covers the whole distance (e.g. Denmark and Sweden) foreign ships still have the right to pass through. You are thinking of the EEZ, exclusive economic zone, but that's only the rights for fishing and mining and so on. https://en.wikipedia.org/wiki/Territorial_waters https://en.wikipedia.org/wiki/Territorial_waters