The calculated distance (air line) between Zafferana Etnea and Aci Catena is approximately 5 miles respectively 9 kilometers.
By car or train, the actual journey to Aci Catena is certainly longer, as only the direct route (as the crow flies) between Zafferana Etnea and Aci Catena has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles