Vignanello is a comune (municipality) in the Province of Viterbo in the Italian region Latium, located about 60 kilometres (37 mi) northwest of Rome and about 14 kilometres (9 mi) southeast of Viterbo. As of 31 December 2004, it had a population of 4,699 and an area of 20.5 square kilometres (7.9 sq mi).Vignanello borders the following municipalities: Corchiano, Fabrica di Roma, Gallese, Soriano nel Cimino, Vallerano, Vasanello.