The calculated distance (air line) between Nanterre and Rueil-Malmaison is approximately 1 miles respectively 2 kilometers.
By car or train, the actual journey to Rueil-Malmaison is certainly longer, as only the direct route (as the crow flies) between Nanterre and Rueil-Malmaison has been calculated here.
Air line (approximately)
2 kilometers
1 nautical miles