The calculated distance (air line) between Giardinetti-Tor Vergata and Livorno is approximately 165 miles respectively 265 kilometers.
By car or train, the actual journey to Livorno is certainly longer, as only the direct route (as the crow flies) between Giardinetti-Tor Vergata and Livorno has been calculated here.
Air line (approximately)
265 kilometers
143 nautical miles