The calculated distance (air line) between So Kwun Wat Tsuen and Lei Tung is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Lei Tung is certainly longer, as only the direct route (as the crow flies) between So Kwun Wat Tsuen and Lei Tung has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles