The calculated distance (air line) between Muang Phôn-Hông and Pakxan is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Pakxan is certainly longer, as only the direct route (as the crow flies) between Muang Phôn-Hông and Pakxan has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles