The calculated distance (air line) between Āt’aye and Debre Birhan is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Debre Birhan is certainly longer, as only the direct route (as the crow flies) between Āt’aye and Debre Birhan has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles