The calculated distance (air line) between Saint-Étienne and Saint-Jean-Bonnefonds is approximately 3 miles respectively 5 kilometers.
By car or train, the actual journey to Saint-Jean-Bonnefonds is certainly longer, as only the direct route (as the crow flies) between Saint-Étienne and Saint-Jean-Bonnefonds has been calculated here.
Air line (approximately)
5 kilometers
3 nautical miles