The calculated distance (air line) between Kowloon Bay and So Kwun Wat is approximately 13 miles respectively 21 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 Kowloon Bay and So Kwun Wat has been calculated here.
Air line (approximately)
21 kilometers
12 nautical miles