The calculated distance (air line) between Phú Khương and Vĩnh Châu is approximately 136 miles respectively 218 kilometers.
By car or train, the actual journey to Vĩnh Châu is certainly longer, as only the direct route (as the crow flies) between Phú Khương and Vĩnh Châu has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles