The calculated distance (air line) between Tai Mong Tsai and Kwai Chung is approximately 11 miles respectively 17 kilometers.
By car or train, the actual journey to Kwai Chung is certainly longer, as only the direct route (as the crow flies) between Tai Mong Tsai and Kwai Chung has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles