The calculated distance (air line) between Ban Na San and Nakhon Si Thammarat is approximately 48 miles respectively 78 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 Ban Na San and Nakhon Si Thammarat has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles