The calculated distance (air line) between Quarto Oggiaro and Barriera di Milano is approximately 76 miles respectively 123 kilometers.
By car or train, the actual journey to Barriera di Milano is certainly longer, as only the direct route (as the crow flies) between Quarto Oggiaro and Barriera di Milano has been calculated here.
Air line (approximately)
123 kilometers
66 nautical miles