The calculated distance (air line) between Neufchâtel-en-Bray and Le Mans is approximately 132 miles respectively 213 kilometers.
By car or train, the actual journey to Le Mans is certainly longer, as only the direct route (as the crow flies) between Neufchâtel-en-Bray and Le Mans has been calculated here.
Air line (approximately)
213 kilometers
115 nautical miles