The calculated distance (air line) between Sai Kung and Tsim Sha Tsui is approximately 9 miles respectively 14 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 Sai Kung and Tsim Sha Tsui has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles