The calculated distance (air line) between Bouffémont and Paris 13 Gobelins is approximately 15 miles respectively 24 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 Bouffémont and Paris 13 Gobelins has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles