The calculated distance (air line) between Cologno al Serio and Reggio nell'Emilia is approximately 76 miles respectively 121 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 al Serio and Reggio nell'Emilia has been calculated here.
Air line (approximately)
121 kilometers
66 nautical miles