The calculated distance (air line) between Cagli and Reggio nell'Emilia is approximately 128 miles respectively 206 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 Cagli and Reggio nell'Emilia has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles