The calculated distance (air line) between Myanaung and Nay Pyi Taw is approximately 114 miles respectively 183 kilometers.
By car or train, the actual journey to Nay Pyi Taw is certainly longer, as only the direct route (as the crow flies) between Myanaung and Nay Pyi Taw has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles