The calculated distance (air line) between Tuen Mun and Yung Shue Wan is approximately 15 miles respectively 23 kilometers.
By car or train, the actual journey to Yung Shue Wan is certainly longer, as only the direct route (as the crow flies) between Tuen Mun and Yung Shue Wan has been calculated here.
Air line (approximately)
23 kilometers
13 nautical miles