The calculated distance (air line) between Portogruaro and Reggio nell'Emilia is approximately 131 miles respectively 211 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 Portogruaro and Reggio nell'Emilia has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles