The calculated distance (air line) between Stuttgart and Zürich (Kreis 7) / Fluntern is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Zürich (Kreis 7) / Fluntern is certainly longer, as only the direct route (as the crow flies) between Stuttgart and Zürich (Kreis 7) / Fluntern has been calculated here.
Air line (approximately)
162 kilometers
88 nautical miles