The calculated distance (air line) between Tai Mei Tuk and Tung Chung is approximately 23 miles respectively 37 kilometers.
By car or train, the actual journey to Tung Chung is certainly longer, as only the direct route (as the crow flies) between Tai Mei Tuk and Tung Chung has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles