The calculated distance (air line) between Mertule Maryam and Bahir Dar is approximately 79 miles respectively 128 kilometers.
By car or train, the actual journey to Bahir Dar is certainly longer, as only the direct route (as the crow flies) between Mertule Maryam and Bahir Dar has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles