The calculated distance (air line) between Qaryat al Bayyāḑah and Benghazi is approximately 76 miles respectively 122 kilometers.
By car or train, the actual journey to Benghazi is certainly longer, as only the direct route (as the crow flies) between Qaryat al Bayyāḑah and Benghazi has been calculated here.
Air line (approximately)
122 kilometers
66 nautical miles