The calculated distance (air line) between Stuttgart and Zürich (Kreis 12) / Hirzenbach is approximately 99 miles respectively 160 kilometers.
By car or train, the actual journey to Zürich (Kreis 12) / Hirzenbach is certainly longer, as only the direct route (as the crow flies) between Stuttgart and Zürich (Kreis 12) / Hirzenbach has been calculated here.
Air line (approximately)
160 kilometers
86 nautical miles