The calculated distance (air line) between Tha Khanon and Nakhon Si Thammarat is approximately 81 miles respectively 130 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 Tha Khanon and Nakhon Si Thammarat has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles