The calculated distance (air line) between Cheung Sha Wan and Kwai Chung is approximately 13 miles respectively 20 kilometers.
By car or train, the actual journey to Kwai Chung is certainly longer, as only the direct route (as the crow flies) between Cheung Sha Wan and Kwai Chung has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles