The calculated distance (air line) between São Domingos de Rana and Barreiro is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Barreiro is certainly longer, as only the direct route (as the crow flies) between São Domingos de Rana and Barreiro has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles