The calculated distance (air line) between Ribadeo and Corvera de Asturias is approximately 58 miles respectively 93 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 Ribadeo and Corvera de Asturias has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles