The calculated distance (air line) between Dan Khun Thot and Nakhon Sawan is approximately 114 miles respectively 184 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Dan Khun Thot and Nakhon Sawan has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles