The calculated distance (air line) between Pyapon and Mawlamyinegyunn is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Mawlamyinegyunn is certainly longer, as only the direct route (as the crow flies) between Pyapon and Mawlamyinegyunn has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles