The calculated distance (air line) between Saint-Benoît and Paris 13 Gobelins is approximately 183 miles respectively 295 kilometers.
By car or train, the actual journey to Paris 13 Gobelins is certainly longer, as only the direct route (as the crow flies) between Saint-Benoît and Paris 13 Gobelins has been calculated here.
Air line (approximately)
295 kilometers
159 nautical miles