The calculated distance (air line) between Ortaköy and Kahramanmaraş is approximately 176 miles respectively 283 kilometers.
By car or train, the actual journey to Kahramanmaraş is certainly longer, as only the direct route (as the crow flies) between Ortaköy and Kahramanmaraş has been calculated here.
Air line (approximately)
283 kilometers
153 nautical miles