The calculated distance (air line) between Nay Pyi Taw and Yenangyaung is approximately 96 miles respectively 154 kilometers.
By car or train, the actual journey to Yenangyaung is certainly longer, as only the direct route (as the crow flies) between Nay Pyi Taw and Yenangyaung has been calculated here.
Air line (approximately)
154 kilometers
83 nautical miles