The calculated distance (air line) between Sam Roi Yot and Nakhon Pathom is approximately 108 miles respectively 173 kilometers.
By car or train, the actual journey to Nakhon Pathom is certainly longer, as only the direct route (as the crow flies) between Sam Roi Yot and Nakhon Pathom has been calculated here.
Air line (approximately)
173 kilometers
93 nautical miles