The calculated distance (air line) between Trezzo sull'Adda and Treviolo is approximately 7 miles respectively 11 kilometers.
By car or train, the actual journey to Treviolo is certainly longer, as only the direct route (as the crow flies) between Trezzo sull'Adda and Treviolo has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles