The calculated distance (air line) between Cheung Chau and Tung Chung is approximately 8 miles respectively 12 kilometers.
By car or train, the actual journey to Tung Chung is certainly longer, as only the direct route (as the crow flies) between Cheung Chau and Tung Chung has been calculated here.
Air line (approximately)
12 kilometers
7 nautical miles