The calculated distance (air line) between Ras Gharib and Banī Mazār is approximately 138 miles respectively 223 kilometers.
By car or train, the actual journey to Banī Mazār is certainly longer, as only the direct route (as the crow flies) between Ras Gharib and Banī Mazār has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles