The calculated distance (air line) between Valladolid and Aranda de Duero is approximately 53 miles respectively 86 kilometers.
By car or train, the actual journey to Aranda de Duero is certainly longer, as only the direct route (as the crow flies) between Valladolid and Aranda de Duero has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles