The calculated distance (air line) between Shek Wai Kok and Tung Chung is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Tung Chung is certainly longer, as only the direct route (as the crow flies) between Shek Wai Kok and Tung Chung has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles