The calculated distance (air line) between Gijón and Corvera de Asturias is approximately 11 miles respectively 18 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 Gijón and Corvera de Asturias has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles