The calculated distance (air line) between Cividale del Friuli and Reggio nell'Emilia is approximately 166 miles respectively 268 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 Cividale del Friuli and Reggio nell'Emilia has been calculated here.
Air line (approximately)
268 kilometers
144 nautical miles