The calculated distance (air line) between Akçadağ and Diyarbakır is approximately 126 miles respectively 202 kilometers.
By car or train, the actual journey to Diyarbakır is certainly longer, as only the direct route (as the crow flies) between Akçadağ and Diyarbakır has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles