The calculated distance (air line) between Bang Nam Priao and Nakhon Sawan is approximately 142 miles respectively 229 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Bang Nam Priao and Nakhon Sawan has been calculated here.
Air line (approximately)
229 kilometers
123 nautical miles