The calculated distance (air line) between Ramacca and San Gregorio di Catania is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to San Gregorio di Catania is certainly longer, as only the direct route (as the crow flies) between Ramacca and San Gregorio di Catania has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles