The calculated distance (air line) between Tsuen Wan and Sau Mau Ping is approximately 9 miles respectively 14 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 Tsuen Wan and Sau Mau Ping has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles