The calculated distance (air line) between Reggio nell'Emilia and Langhirano is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Langhirano is certainly longer, as only the direct route (as the crow flies) between Reggio nell'Emilia and Langhirano has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles