The calculated distance (air line) between Magstadt and Weil im Schönbuch is approximately 10 miles respectively 15 kilometers.
By car or train, the actual journey to Weil im Schönbuch is certainly longer, as only the direct route (as the crow flies) between Magstadt and Weil im Schönbuch has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles