The calculated distance (air line) between Tai Mong Tsai and Tai Koo is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Tai Koo is certainly longer, as only the direct route (as the crow flies) between Tai Mong Tsai and Tai Koo has been calculated here.
Air line (approximately)
16 kilometers
8 nautical miles