The calculated distance (air line) between Jawf al Maqbābah and Saḩar is approximately 144 miles respectively 232 kilometers.
By car or train, the actual journey to Saḩar is certainly longer, as only the direct route (as the crow flies) between Jawf al Maqbābah and Saḩar has been calculated here.
Air line (approximately)
232 kilometers
125 nautical miles