The calculated distance (air line) between Kaeng Khoi and Nakhon Sawan is approximately 96 miles respectively 155 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Kaeng Khoi and Nakhon Sawan has been calculated here.
Air line (approximately)
155 kilometers
84 nautical miles