The calculated distance (air line) between Militello in Val di Catania and Siracusa is approximately 30 miles respectively 49 kilometers.
By car or train, the actual journey to Siracusa is certainly longer, as only the direct route (as the crow flies) between Militello in Val di Catania and Siracusa has been calculated here.
Air line (approximately)
49 kilometers
26 nautical miles