The calculated distance (air line) between So Kwun Wat Tsuen and Wan Chai is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Wan Chai is certainly longer, as only the direct route (as the crow flies) between So Kwun Wat Tsuen and Wan Chai has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles