The calculated distance (air line) between Castelnau-le-Lez and Villeurbanne is approximately 155 miles respectively 249 kilometers.
By car or train, the actual journey to Villeurbanne is certainly longer, as only the direct route (as the crow flies) between Castelnau-le-Lez and Villeurbanne has been calculated here.
Air line (approximately)
249 kilometers
134 nautical miles