The calculated distance (air line) between Dayr Yūsuf and Ar Ramthā is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Ar Ramthā is certainly longer, as only the direct route (as the crow flies) between Dayr Yūsuf and Ar Ramthā has been calculated here.
Air line (approximately)
21 kilometers
12 nautical miles