The calculated distance (air line) between Santo António dos Olivais and Vila Nova de Gaia is approximately 64 miles respectively 102 kilometers.
By car or train, the actual journey to Vila Nova de Gaia is certainly longer, as only the direct route (as the crow flies) between Santo António dos Olivais and Vila Nova de Gaia has been calculated here.
Air line (approximately)
102 kilometers
55 nautical miles