The calculated distance (air line) between Hong Kong and San Tung Chung Hang is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to San Tung Chung Hang is certainly longer, as only the direct route (as the crow flies) between Hong Kong and San Tung Chung Hang has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles