The calculated distance (air line) between Kowloon Bay and Sham Tseng is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Sham Tseng is certainly longer, as only the direct route (as the crow flies) between Kowloon Bay and Sham Tseng has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles