The calculated distance (air line) between Le Mans and Asnières-sur-Seine is approximately 114 miles respectively 184 kilometers.
By car or train, the actual journey to Asnières-sur-Seine is certainly longer, as only the direct route (as the crow flies) between Le Mans and Asnières-sur-Seine has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles