The calculated distance (air line) between Kachīsī and Debre Tabor is approximately 156 miles respectively 251 kilometers.
By car or train, the actual journey to Debre Tabor is certainly longer, as only the direct route (as the crow flies) between Kachīsī and Debre Tabor has been calculated here.
Air line (approximately)
251 kilometers
135 nautical miles