The calculated distance (air line) between Tiu Keng Leng and Kam Tin is approximately 16 miles respectively 25 kilometers.
By car or train, the actual journey to Kam Tin is certainly longer, as only the direct route (as the crow flies) between Tiu Keng Leng and Kam Tin has been calculated here.
Air line (approximately)
25 kilometers
14 nautical miles