The calculated distance (air line) between Nong Kung Si and Sawang Daen Din is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Sawang Daen Din is certainly longer, as only the direct route (as the crow flies) between Nong Kung Si and Sawang Daen Din has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles