The calculated distance (air line) between Les Pavillons-sous-Bois and Le Mans is approximately 123 miles respectively 197 kilometers.
By car or train, the actual journey to Le Mans is certainly longer, as only the direct route (as the crow flies) between Les Pavillons-sous-Bois and Le Mans has been calculated here.
Air line (approximately)
197 kilometers
107 nautical miles