The calculated distance (air line) between Muang Phônsavan and Phôngsali is approximately 170 miles respectively 273 kilometers.
By car or train, the actual journey to Phôngsali is certainly longer, as only the direct route (as the crow flies) between Muang Phônsavan and Phôngsali has been calculated here.
Air line (approximately)
273 kilometers
147 nautical miles