The calculated distance (air line) between Tolmezzo and Reggio nell'Emilia is approximately 165 miles respectively 265 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 Tolmezzo and Reggio nell'Emilia has been calculated here.
Air line (approximately)
265 kilometers
143 nautical miles