The calculated distance (air line) between Tai Mong Tsai and Cheung Chau is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Cheung Chau is certainly longer, as only the direct route (as the crow flies) between Tai Mong Tsai and Cheung Chau has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles