The calculated distance (air line) between Albergaria-a-Velha and Rio Tinto is approximately 34 miles respectively 54 kilometers.
By car or train, the actual journey to Rio Tinto is certainly longer, as only the direct route (as the crow flies) between Albergaria-a-Velha and Rio Tinto has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles