The calculated distance (air line) between Phú Khương and Gia Nghĩa is approximately 117 miles respectively 188 kilometers.
By car or train, the actual journey to Gia Nghĩa is certainly longer, as only the direct route (as the crow flies) between Phú Khương and Gia Nghĩa has been calculated here.
Air line (approximately)
188 kilometers
101 nautical miles