The calculated distance (air line) between Sai Ying Pun and Ha Tsuen is approximately 15 miles respectively 23 kilometers.
By car or train, the actual journey to Ha Tsuen is certainly longer, as only the direct route (as the crow flies) between Sai Ying Pun and Ha Tsuen has been calculated here.
Air line (approximately)
23 kilometers
13 nautical miles