The calculated distance (air line) between Phú Khương and Phú Quốc is approximately 160 miles respectively 257 kilometers.
By car or train, the actual journey to Phú Quốc is certainly longer, as only the direct route (as the crow flies) between Phú Khương and Phú Quốc has been calculated here.
Air line (approximately)
257 kilometers
139 nautical miles