The calculated distance (air line) between Ban Huai Thalaeng and Sakon Nakhon is approximately 180 miles respectively 290 kilometers.
By car or train, the actual journey to Sakon Nakhon is certainly longer, as only the direct route (as the crow flies) between Ban Huai Thalaeng and Sakon Nakhon has been calculated here.
Air line (approximately)
290 kilometers
157 nautical miles