The calculated distance (air line) between Khetsamsenok and Nakhon Pathom is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Nakhon Pathom is certainly longer, as only the direct route (as the crow flies) between Khetsamsenok and Nakhon Pathom has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles