The calculated distance (air line) between Huai Khot and Phasi Charoen is approximately 122 miles respectively 196 kilometers.
By car or train, the actual journey to Phasi Charoen is certainly longer, as only the direct route (as the crow flies) between Huai Khot and Phasi Charoen has been calculated here.
Air line (approximately)
196 kilometers
106 nautical miles