The calculated distance (air line) between Ban Houayxay and Muang Phôn-Hông is approximately 179 miles respectively 288 kilometers.
By car or train, the actual journey to Muang Phôn-Hông is certainly longer, as only the direct route (as the crow flies) between Ban Houayxay and Muang Phôn-Hông has been calculated here.
Air line (approximately)
288 kilometers
155 nautical miles