The calculated distance (air line) between Ar Raḩmānīyah and Al Mansurah is approximately 44 miles respectively 71 kilometers.
By car or train, the actual journey to Al Mansurah is certainly longer, as only the direct route (as the crow flies) between Ar Raḩmānīyah and Al Mansurah has been calculated here.
Air line (approximately)
71 kilometers
38 nautical miles