The calculated distance (air line) between Clusone and Reggio nell'Emilia is approximately 89 miles respectively 143 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 Clusone and Reggio nell'Emilia has been calculated here.
Air line (approximately)
143 kilometers
77 nautical miles