The calculated distance (air line) between Sung Noen and Nakhon Sawan is approximately 125 miles respectively 202 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Sung Noen and Nakhon Sawan has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles