The calculated distance (air line) between Francheville and Vaulx-en-Velin is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Vaulx-en-Velin is certainly longer, as only the direct route (as the crow flies) between Francheville and Vaulx-en-Velin has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles