The calculated distance (air line) between Divonne-les-Bains and Saint-Étienne is approximately 105 miles respectively 170 kilometers.
By car or train, the actual journey to Saint-Étienne is certainly longer, as only the direct route (as the crow flies) between Divonne-les-Bains and Saint-Étienne has been calculated here.
Air line (approximately)
170 kilometers
92 nautical miles