The calculated distance (air line) between Sha Tin Wai and Sheung Shui is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Sheung Shui is certainly longer, as only the direct route (as the crow flies) between Sha Tin Wai and Sheung Shui has been calculated here.
Air line (approximately)
18 kilometers
9 nautical miles