The calculated distance (air line) between Obersiggenthal and Zürich (Kreis 12) is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Zürich (Kreis 12) is certainly longer, as only the direct route (as the crow flies) between Obersiggenthal and Zürich (Kreis 12) has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles