The calculated distance (air line) between Mudon and Mawlamyinegyunn is approximately 163 miles respectively 263 kilometers.
By car or train, the actual journey to Mawlamyinegyunn is certainly longer, as only the direct route (as the crow flies) between Mudon and Mawlamyinegyunn has been calculated here.
Air line (approximately)
263 kilometers
142 nautical miles