The calculated distance (air line) between Le Mans and Rueil-Malmaison is approximately 109 miles respectively 176 kilometers.
By car or train, the actual journey to Rueil-Malmaison is certainly longer, as only the direct route (as the crow flies) between Le Mans and Rueil-Malmaison has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles