The calculated distance (air line) between Yirga Ch’efē and Arba Minch is approximately 46 miles respectively 73 kilometers.
By car or train, the actual journey to Arba Minch is certainly longer, as only the direct route (as the crow flies) between Yirga Ch’efē and Arba Minch has been calculated here.
Air line (approximately)
73 kilometers
40 nautical miles