The calculated distance (air line) between Tiu Keng Leng and Tuen Mun San Hui is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Tuen Mun San Hui is certainly longer, as only the direct route (as the crow flies) between Tiu Keng Leng and Tuen Mun San Hui has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles