The calculated distance (air line) between Phú Khương and Vũng Tàu is approximately 91 miles respectively 147 kilometers.
By car or train, the actual journey to Vũng Tàu is certainly longer, as only the direct route (as the crow flies) between Phú Khương and Vũng Tàu has been calculated here.
Air line (approximately)
147 kilometers
79 nautical miles