The calculated distance (air line) between Ngong Ping and Sau Mau Ping is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Sau Mau Ping is certainly longer, as only the direct route (as the crow flies) between Ngong Ping and Sau Mau Ping has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles