The calculated distance (air line) between Hung Shui Kiu and Tsim Sha Tsui is approximately 15 miles respectively 23 kilometers.
By car or train, the actual journey to Tsim Sha Tsui is certainly longer, as only the direct route (as the crow flies) between Hung Shui Kiu and Tsim Sha Tsui has been calculated here.
Air line (approximately)
23 kilometers
13 nautical miles