The calculated distance (air line) between Castelnuovo Rangone and Reggio nell'Emilia is approximately 18 miles respectively 29 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 Castelnuovo Rangone and Reggio nell'Emilia has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles