The calculated distance (air line) between San Gavino Monreale and Quartu Sant'Elena is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Quartu Sant'Elena is certainly longer, as only the direct route (as the crow flies) between San Gavino Monreale and Quartu Sant'Elena has been calculated here.
Air line (approximately)
53 kilometers
29 nautical miles