The calculated distance (air line) between Los Corrales de Buelna and Oviedo is approximately 89 miles respectively 144 kilometers.
By car or train, the actual journey to Oviedo is certainly longer, as only the direct route (as the crow flies) between Los Corrales de Buelna and Oviedo has been calculated here.
Air line (approximately)
144 kilometers
78 nautical miles