The calculated distance (air line) between Nong Kung Si and Kaset Wisai is approximately 71 miles respectively 115 kilometers.
By car or train, the actual journey to Kaset Wisai is certainly longer, as only the direct route (as the crow flies) between Nong Kung Si and Kaset Wisai has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles