The calculated distance (air line) between Mui Wo Kau Tsuen and Sai Kung is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Sai Kung is certainly longer, as only the direct route (as the crow flies) between Mui Wo Kau Tsuen and Sai Kung has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles