The calculated distance (air line) between Castelões de Cepeda and Rio Tinto is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Rio Tinto is certainly longer, as only the direct route (as the crow flies) between Castelões de Cepeda and Rio Tinto has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles