The calculated distance (air line) between Peñaranda de Bracamonte and Oviedo is approximately 173 miles respectively 279 kilometers.
By car or train, the actual journey to Oviedo is certainly longer, as only the direct route (as the crow flies) between Peñaranda de Bracamonte and Oviedo has been calculated here.
Air line (approximately)
279 kilometers
150 nautical miles