The calculated distance (air line) between Póvoa de Santa Iria and Santo António dos Olivais is approximately 100 miles respectively 161 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 Póvoa de Santa Iria and Santo António dos Olivais has been calculated here.
Air line (approximately)
161 kilometers
87 nautical miles