The calculated distance (air line) between Kampong Thom and Paoy Paet is approximately 170 miles respectively 273 kilometers.
By car or train, the actual journey to Paoy Paet is certainly longer, as only the direct route (as the crow flies) between Kampong Thom and Paoy Paet has been calculated here.
Air line (approximately)
273 kilometers
147 nautical miles