The calculated distance (air line) between Muang Phônsavan and Muang Xay is approximately 116 miles respectively 187 kilometers.
By car or train, the actual journey to Muang Xay is certainly longer, as only the direct route (as the crow flies) between Muang Phônsavan and Muang Xay has been calculated here.
Air line (approximately)
187 kilometers
101 nautical miles