The calculated distance (air line) between Gimja Bēt Maryam and Addis Ababa is approximately 179 miles respectively 288 kilometers.
By car or train, the actual journey to Addis Ababa is certainly longer, as only the direct route (as the crow flies) between Gimja Bēt Maryam and Addis Ababa has been calculated here.
Air line (approximately)
288 kilometers
155 nautical miles