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