The calculated distance (air line) between Qaryat ‘Umar al Mukhtār and Ajdabiya is approximately 155 miles respectively 250 kilometers.
By car or train, the actual journey to Ajdabiya is certainly longer, as only the direct route (as the crow flies) between Qaryat ‘Umar al Mukhtār and Ajdabiya has been calculated here.
Air line (approximately)
250 kilometers
135 nautical miles