The calculated distance (air line) between Sannazzaro de' Burgondi and Livorno is approximately 129 miles respectively 207 kilometers.
By car or train, the actual journey to Livorno is certainly longer, as only the direct route (as the crow flies) between Sannazzaro de' Burgondi and Livorno has been calculated here.
Air line (approximately)
207 kilometers
112 nautical miles