The calculated distance (air line) between Yuen Long Kau Hui and Tiu Keng Leng is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Tiu Keng Leng is certainly longer, as only the direct route (as the crow flies) between Yuen Long Kau Hui and Tiu Keng Leng has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles