The calculated distance (air line) between Sainte-Foy-lès-Lyon and Mulhouse is approximately 184 miles respectively 296 kilometers.
By car or train, the actual journey to Mulhouse is certainly longer, as only the direct route (as the crow flies) between Sainte-Foy-lès-Lyon and Mulhouse has been calculated here.
Air line (approximately)
296 kilometers
160 nautical miles