The calculated distance (air line) between Jawf al Maqbābah and Ma'rib is approximately 117 miles respectively 189 kilometers.
By car or train, the actual journey to Ma'rib is certainly longer, as only the direct route (as the crow flies) between Jawf al Maqbābah and Ma'rib has been calculated here.
Air line (approximately)
189 kilometers
102 nautical miles