The calculated distance (air line) between Daliang and Yuen Long Kau Hui is approximately 57 miles respectively 91 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 Daliang and Yuen Long Kau Hui has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles