The calculated distance (air line) between Tha Kham and Nakhon Si Thammarat is approximately 69 miles respectively 110 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 Kham and Nakhon Si Thammarat has been calculated here.
Air line (approximately)
110 kilometers
60 nautical miles