The calculated distance (air line) between Saint-Pourçain-sur-Sioule and Le Mans is approximately 186 miles respectively 300 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-Pourçain-sur-Sioule and Le Mans has been calculated here.
Air line (approximately)
300 kilometers
162 nautical miles