The calculated distance (air line) between Nogueira da Regedoura and Rio de Mouro is approximately 160 miles respectively 257 kilometers.
By car or train, the actual journey to Rio de Mouro is certainly longer, as only the direct route (as the crow flies) between Nogueira da Regedoura and Rio de Mouro has been calculated here.
Air line (approximately)
257 kilometers
139 nautical miles