The calculated distance (air line) between Mui Wo Kau Tsuen and Dongguan is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Dongguan is certainly longer, as only the direct route (as the crow flies) between Mui Wo Kau Tsuen and Dongguan has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles