San Vito is a comune in the Province of South Sardinia in the Italian region Sardinia, located about 45 km northeast of Cagliari. San Vito border…San Vito is a comune in the Province of South Sardinia in the Italian region Sardinia, located about 45 km northeast of Cagliari. San Vito borders the following municipalities: Burcei, Castiadas, Muravera, Sinnai, Villaputzu, Villasalto.