The calculated distance (air line) between Boltiere and Cassano d'Adda is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Cassano d'Adda is certainly longer, as only the direct route (as the crow flies) between Boltiere and Cassano d'Adda has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles