The calculated distance (air line) between Nogueira da Regedoura and Coimbra is approximately 56 miles respectively 90 kilometers.
By car or train, the actual journey to Coimbra is certainly longer, as only the direct route (as the crow flies) between Nogueira da Regedoura and Coimbra has been calculated here.
Air line (approximately)
90 kilometers
49 nautical miles