The calculated distance (air line) between Phan Thong and Nakhon Sawan is approximately 167 miles respectively 269 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Phan Thong and Nakhon Sawan has been calculated here.
Air line (approximately)
269 kilometers
145 nautical miles