The calculated distance (air line) between Ar Ramthā and Al Jubayhah is approximately 38 miles respectively 62 kilometers.
By car or train, the actual journey to Al Jubayhah is certainly longer, as only the direct route (as the crow flies) between Ar Ramthā and Al Jubayhah has been calculated here.
Air line (approximately)
62 kilometers
33 nautical miles