The calculated distance (air line) between Hong Lok Yuen and Cheung Chau is approximately 19 miles respectively 31 kilometers.
By car or train, the actual journey to Cheung Chau is certainly longer, as only the direct route (as the crow flies) between Hong Lok Yuen and Cheung Chau has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles