The calculated distance (air line) between Qaryat al Bayyāḑah and Darnah is approximately 82 miles respectively 131 kilometers.
By car or train, the actual journey to Darnah is certainly longer, as only the direct route (as the crow flies) between Qaryat al Bayyāḑah and Darnah has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles