The calculated distance (air line) between Phatthalung and Nakhon Si Thammarat is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Nakhon Si Thammarat is certainly longer, as only the direct route (as the crow flies) between Phatthalung and Nakhon Si Thammarat has been calculated here.
Air line (approximately)
92 kilometers
49 nautical miles