The calculated distance (air line) between Rive-de-Gier and Villeurbanne is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Villeurbanne is certainly longer, as only the direct route (as the crow flies) between Rive-de-Gier and Villeurbanne has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles