The calculated distance (air line) between Stuttgart and Zürich (Kreis 7) is approximately 101 miles respectively 163 kilometers.
By car or train, the actual journey to Zürich (Kreis 7) is certainly longer, as only the direct route (as the crow flies) between Stuttgart and Zürich (Kreis 7) has been calculated here.
Air line (approximately)
163 kilometers
88 nautical miles