The calculated distance (air line) between Brignano Gera d'Adda and Monza is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Monza is certainly longer, as only the direct route (as the crow flies) between Brignano Gera d'Adda and Monza has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles