The calculated distance (air line) between Jieyang and Yuen Long Kau Hui is approximately 166 miles respectively 268 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 Jieyang and Yuen Long Kau Hui has been calculated here.
Air line (approximately)
268 kilometers
145 nautical miles