The calculated distance (air line) between Leça do Bailio and Santo António dos Olivais is approximately 70 miles respectively 112 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 Leça do Bailio and Santo António dos Olivais has been calculated here.
Air line (approximately)
112 kilometers
61 nautical miles