The calculated distance (air line) between Tarch’a Sodo and Arba Minch is approximately 82 miles respectively 131 kilometers.
By car or train, the actual journey to Arba Minch is certainly longer, as only the direct route (as the crow flies) between Tarch’a Sodo and Arba Minch has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles