The calculated distance (air line) between Ar Raḩmānīyah and Giza is approximately 83 miles respectively 133 kilometers.
By car or train, the actual journey to Giza is certainly longer, as only the direct route (as the crow flies) between Ar Raḩmānīyah and Giza has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles