The calculated distance (air line) between Chuk Yuen and Sham Tseng is approximately 9 miles respectively 15 kilometers.
By car or train, the actual journey to Sham Tseng is certainly longer, as only the direct route (as the crow flies) between Chuk Yuen and Sham Tseng has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles