The calculated distance (air line) between Gebre Guracha and Debre Birhan is approximately 78 miles respectively 125 kilometers.
By car or train, the actual journey to Debre Birhan is certainly longer, as only the direct route (as the crow flies) between Gebre Guracha and Debre Birhan has been calculated here.
Air line (approximately)
125 kilometers
67 nautical miles