The calculated distance (air line) between Castiglione del Lago and Reggio nell'Emilia is approximately 129 miles respectively 208 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 Castiglione del Lago and Reggio nell'Emilia has been calculated here.
Air line (approximately)
208 kilometers
112 nautical miles