The calculated distance (air line) between Al Mazār al Janūbī and Ar Ramthā is approximately 105 miles respectively 168 kilometers.
By car or train, the actual journey to Ar Ramthā is certainly longer, as only the direct route (as the crow flies) between Al Mazār al Janūbī and Ar Ramthā has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles