The calculated distance (air line) between Alcácer do Sal and Santo António dos Olivais is approximately 128 miles respectively 205 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 Alcácer do Sal and Santo António dos Olivais has been calculated here.
Air line (approximately)
205 kilometers
111 nautical miles