The calculated distance (air line) between Stuttgart and Villars-sur-Glâne is approximately 168 miles respectively 270 kilometers.
By car or train, the actual journey to Villars-sur-Glâne is certainly longer, as only the direct route (as the crow flies) between Stuttgart and Villars-sur-Glâne has been calculated here.
Air line (approximately)
270 kilometers
146 nautical miles