The calculated distance (air line) between Sai Wan Ho and Cheung Chau is approximately 13 miles respectively 22 kilometers.
By car or train, the actual journey to Cheung Chau is certainly longer, as only the direct route (as the crow flies) between Sai Wan Ho and Cheung Chau has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles