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