The calculated distance (air line) between So Kwun Wat and Tsz Wan Shan is approximately 12 miles respectively 20 kilometers.
By car or train, the actual journey to Tsz Wan Shan is certainly longer, as only the direct route (as the crow flies) between So Kwun Wat and Tsz Wan Shan has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles