The calculated distance (air line) between Tung Chung and Siu Lek Yuen is approximately 18 miles respectively 30 kilometers.
By car or train, the actual journey to Siu Lek Yuen is certainly longer, as only the direct route (as the crow flies) between Tung Chung and Siu Lek Yuen has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles