The calculated distance (air line) between Phasi Charoen and Nakhon Sawan is approximately 139 miles respectively 224 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Phasi Charoen and Nakhon Sawan has been calculated here.
Air line (approximately)
224 kilometers
121 nautical miles