The calculated distance (air line) between Cologno Monzese and Reggio nell'Emilia is approximately 88 miles respectively 141 kilometers.
By car or train, the actual journey to Reggio nell'Emilia is certainly longer, as only the direct route (as the crow flies) between Cologno Monzese and Reggio nell'Emilia has been calculated here.
Air line (approximately)
141 kilometers
76 nautical miles