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