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