The calculated distance (air line) between Ko Pha Ngan and Nakhon Si Thammarat is approximately 92 miles respectively 147 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 Ko Pha Ngan and Nakhon Si Thammarat has been calculated here.
Air line (approximately)
147 kilometers
80 nautical miles