The calculated distance (air line) between Langhirano and Salsomaggiore Terme is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Salsomaggiore Terme is certainly longer, as only the direct route (as the crow flies) between Langhirano and Salsomaggiore Terme has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles