The calculated distance (air line) between Lom Sak and Nakhon Sawan is approximately 104 miles respectively 168 kilometers.
By car or train, the actual journey to Nakhon Sawan is certainly longer, as only the direct route (as the crow flies) between Lom Sak and Nakhon Sawan has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles