The calculated distance (air line) between Nai Chung and Cheung Sha Wan is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Cheung Sha Wan is certainly longer, as only the direct route (as the crow flies) between Nai Chung and Cheung Sha Wan has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles