Lignana is a comune in the Province of Vercelli in the Italian region Piedmont, located about 60 kilometres northeast of Turin and about …Lignana is a comune in the Province of Vercelli in the Italian region Piedmont, located about 60 kilometres northeast of Turin and about 6 kilometres southwest of Vercelli. Lignana borders the following municipalities: Crova, Desana, Ronsecco, Salasco, Sali Vercellese, and Vercelli.