The calculated distance (air line) between Chachoengsao and Nakhon Pathom is approximately 70 miles respectively 112 kilometers.
By car or train, the actual journey to Nakhon Pathom is certainly longer, as only the direct route (as the crow flies) between Chachoengsao and Nakhon Pathom has been calculated here.
Air line (approximately)
112 kilometers
60 nautical miles