The calculated distance (air line) between Corvera de Asturias and Valladolid is approximately 143 miles respectively 230 kilometers.
By car or train, the actual journey to Valladolid is certainly longer, as only the direct route (as the crow flies) between Corvera de Asturias and Valladolid has been calculated here.
Air line (approximately)
230 kilometers
124 nautical miles