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