The calculated distance (air line) between Hāgere Selam and Arba Minch is approximately 73 miles respectively 118 kilometers.
By car or train, the actual journey to Arba Minch is certainly longer, as only the direct route (as the crow flies) between Hāgere Selam and Arba Minch has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles