The calculated distance (air line) between Belmonte Mezzagno and Siracusa is approximately 124 miles respectively 199 kilometers.
By car or train, the actual journey to Siracusa is certainly longer, as only the direct route (as the crow flies) between Belmonte Mezzagno and Siracusa has been calculated here.
Air line (approximately)
199 kilometers
107 nautical miles