The calculated distance (air line) between Phang Nga and Nakhon Si Thammarat is approximately 98 miles respectively 158 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 Phang Nga and Nakhon Si Thammarat has been calculated here.
Air line (approximately)
158 kilometers
85 nautical miles