The calculated distance (air line) between Lat Yao and Nakhon Pathom is approximately 135 miles respectively 217 kilometers.
By car or train, the actual journey to Nakhon Pathom is certainly longer, as only the direct route (as the crow flies) between Lat Yao and Nakhon Pathom has been calculated here.
Air line (approximately)
217 kilometers
117 nautical miles