The calculated distance (air line) between Oggiono and Reggio nell'Emilia is approximately 98 miles respectively 158 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 Oggiono and Reggio nell'Emilia has been calculated here.
Air line (approximately)
158 kilometers
85 nautical miles