The calculated distance (air line) between Gubbio and Reggio nell'Emilia is approximately 134 miles respectively 216 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 Gubbio and Reggio nell'Emilia has been calculated here.
Air line (approximately)
216 kilometers
116 nautical miles