The calculated distance (air line) between Shau Kei Wan and Ping Shan is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Ping Shan is certainly longer, as only the direct route (as the crow flies) between Shau Kei Wan and Ping Shan has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles