The calculated distance (air line) between Diyarbakır and Kahramanmaraş is approximately 181 miles respectively 292 kilometers.
By car or train, the actual journey to Kahramanmaraş is certainly longer, as only the direct route (as the crow flies) between Diyarbakır and Kahramanmaraş has been calculated here.
Air line (approximately)
292 kilometers
157 nautical miles