The calculated distance (air line) between Tin Shui Wai and Pok Fu Lam is approximately 15 miles respectively 25 kilometers.
By car or train, the actual journey to Pok Fu Lam is certainly longer, as only the direct route (as the crow flies) between Tin Shui Wai and Pok Fu Lam has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles