The calculated distance (air line) between Kaset Wisai and Sakon Nakhon is approximately 111 miles respectively 178 kilometers.
By car or train, the actual journey to Sakon Nakhon is certainly longer, as only the direct route (as the crow flies) between Kaset Wisai and Sakon Nakhon has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles