The calculated distance (air line) between Boltiere and Cornate d'Adda is approximately 5 miles respectively 9 kilometers.
By car or train, the actual journey to Cornate d'Adda is certainly longer, as only the direct route (as the crow flies) between Boltiere and Cornate d'Adda has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles