The calculated distance (air line) between Saint-Thibault-des-Vignes and Le Mans is approximately 128 miles respectively 207 kilometers.
By car or train, the actual journey to Le Mans is certainly longer, as only the direct route (as the crow flies) between Saint-Thibault-des-Vignes and Le Mans has been calculated here.
Air line (approximately)
207 kilometers
112 nautical miles