The calculated distance (air line) between Kwai Chung and Yuen Long Kau Hui is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Yuen Long Kau Hui is certainly longer, as only the direct route (as the crow flies) between Kwai Chung and Yuen Long Kau Hui has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles