The calculated distance (air line) between Bourg-Saint-Andéol and Saint-Étienne is approximately 74 miles respectively 120 kilometers.
By car or train, the actual journey to Saint-Étienne is certainly longer, as only the direct route (as the crow flies) between Bourg-Saint-Andéol and Saint-Étienne has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles