The calculated distance (air line) between Phra Pradaeng and Nakhon Pathom is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to Nakhon Pathom is certainly longer, as only the direct route (as the crow flies) between Phra Pradaeng and Nakhon Pathom has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles