Guinea's land boundaries span a total of 4,046 km: with Ivory Coast 816 km, Guinea-Bissau 421 km, Liberia 590 km, Mali 1,062 km, Senegal 363 km, and Sierra Leone 794 km. It has a 320-km coastline, and claims an exclusive economic zone of 200 nmi (370.4 km; 230.2 mi), with a territorial sea of 12 nmi (22.2 km; 13.8 mi).