The calculated distance (air line) between Arcos de Valdevez and Vila Nova de Gaia is approximately 51 miles respectively 82 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 Arcos de Valdevez and Vila Nova de Gaia has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles