The calculated distance (air line) between Nakhon Phanom and Ban Nong Wua So is approximately 103 miles respectively 166 kilometers.
By car or train, the actual journey to Ban Nong Wua So is certainly longer, as only the direct route (as the crow flies) between Nakhon Phanom and Ban Nong Wua So has been calculated here.
Air line (approximately)
166 kilometers
89 nautical miles