The calculated distance (air line) between Kam Tin and San Tung Chung Hang is approximately 13 miles respectively 22 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 Kam Tin and San Tung Chung Hang has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles