The calculated distance (air line) between Al Mazār al Janūbī and Mādabā is approximately 45 miles respectively 73 kilometers.
By car or train, the actual journey to Mādabā is certainly longer, as only the direct route (as the crow flies) between Al Mazār al Janūbī and Mādabā has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles