The calculated distance (air line) between Hāgere Hiywet and Debre Sīna is approximately 143 miles respectively 231 kilometers.
By car or train, the actual journey to Debre Sīna is certainly longer, as only the direct route (as the crow flies) between Hāgere Hiywet and Debre Sīna has been calculated here.
Air line (approximately)
231 kilometers
124 nautical miles