The calculated distance (air line) between Vieira de Leiria and Vila Nova de Gaia is approximately 88 miles respectively 142 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 Vieira de Leiria and Vila Nova de Gaia has been calculated here.
Air line (approximately)
142 kilometers
77 nautical miles