The calculated distance (air line) between Kwai Chung and Yuen Long San Hui is approximately 8 miles respectively 13 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 Kwai Chung and Yuen Long San Hui has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles