Castrillo de Onielo is a municipality located in the province of Palencia, Castile and León, Spain. According to the 2018 census (INE), the municipality has a population of 101 inhabitants.
Distance between:
Madrid to Castrillo de Onielo105 Miles / 169 Kms Barcelona to Castrillo de Onielo337 Miles / 543 Kms