The calculated distance (air line) between Kham Sakae Saeng and Nakhon Sawan is approximately 138 miles respectively 222 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Kham Sakae Saeng and Nakhon Sawan has been calculated here.
Air line (approximately)
222 kilometers
120 nautical miles