The calculated distance (air line) between Khuraybat as Sūq and Ar Ramthā is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Ar Ramthā is certainly longer, as only the direct route (as the crow flies) between Khuraybat as Sūq and Ar Ramthā has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles