The calculated distance (air line) between Bhamo and Pyin Oo Lwin is approximately 161 miles respectively 259 kilometers.
By car or train, the actual journey to Pyin Oo Lwin is certainly longer, as only the direct route (as the crow flies) between Bhamo and Pyin Oo Lwin has been calculated here.
Air line (approximately)
259 kilometers
140 nautical miles