The calculated distance (air line) between Santa Marta de Tormes and Valladolid is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Valladolid is certainly longer, as only the direct route (as the crow flies) between Santa Marta de Tormes and Valladolid has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles