The calculated distance (air line) between Costa de Caparica and Vila Nova de Gaia is approximately 174 miles respectively 281 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 Costa de Caparica and Vila Nova de Gaia has been calculated here.
Air line (approximately)
281 kilometers
152 nautical miles