The calculated distance (air line) between Gualdo Tadino and Reggio nell'Emilia is approximately 147 miles respectively 237 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 Gualdo Tadino and Reggio nell'Emilia has been calculated here.
Air line (approximately)
237 kilometers
128 nautical miles