The calculated distance (air line) between Nogueira da Regedoura and Sesimbra is approximately 179 miles respectively 288 kilometers.
By car or train, the actual journey to Sesimbra is certainly longer, as only the direct route (as the crow flies) between Nogueira da Regedoura and Sesimbra has been calculated here.
Air line (approximately)
288 kilometers
155 nautical miles