The calculated distance (air line) between Kau Wa Keng and Ping Shan is approximately 11 miles respectively 17 kilometers.
By car or train, the actual journey to Ping Shan is certainly longer, as only the direct route (as the crow flies) between Kau Wa Keng and Ping Shan has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles