The calculated distance (air line) between Carregal do Sal and Santo António dos Olivais is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Santo António dos Olivais is certainly longer, as only the direct route (as the crow flies) between Carregal do Sal and Santo António dos Olivais has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles