The calculated distance (air line) between Yên Vinh and Muang Phônsavan is approximately 170 miles respectively 274 kilometers.
By car or train, the actual journey to Muang Phônsavan is certainly longer, as only the direct route (as the crow flies) between Yên Vinh and Muang Phônsavan has been calculated here.
Air line (approximately)
274 kilometers
148 nautical miles