The calculated distance (air line) between Persan and Paris 15 Vaugirard is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Paris 15 Vaugirard is certainly longer, as only the direct route (as the crow flies) between Persan and Paris 15 Vaugirard has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles