The calculated distance (air line) between Chon Daen and Nakhon Sawan is approximately 59 miles respectively 94 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Chon Daen and Nakhon Sawan has been calculated here.
Air line (approximately)
94 kilometers
51 nautical miles