The calculated distance (air line) between Pak Shek Kok and Yuen Long San Hui is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Yuen Long San Hui is certainly longer, as only the direct route (as the crow flies) between Pak Shek Kok and Yuen Long San Hui has been calculated here.
Air line (approximately)
18 kilometers
9 nautical miles