The calculated distance (air line) between Ou Bei Choan and Paoy Paet is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Paoy Paet is certainly longer, as only the direct route (as the crow flies) between Ou Bei Choan and Paoy Paet has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles