The calculated distance (air line) between Heng Fa Chuen and Sham Tseng is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Sham Tseng is certainly longer, as only the direct route (as the crow flies) between Heng Fa Chuen and Sham Tseng has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles