The calculated distance (air line) between Tseung Kwan O and Sham Tseng is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Sham Tseng is certainly longer, as only the direct route (as the crow flies) between Tseung Kwan O and Sham Tseng has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles