The calculated distance (air line) between Pola de Siero and Corvera de Asturias is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Corvera de Asturias is certainly longer, as only the direct route (as the crow flies) between Pola de Siero and Corvera de Asturias has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles