The calculated distance (air line) between Tradate and Reggio nell'Emilia is approximately 109 miles respectively 176 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 Tradate and Reggio nell'Emilia has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles