The calculated distance (air line) between Sitten and Zürich (Kreis 12) is approximately 100 miles respectively 160 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 Sitten and Zürich (Kreis 12) has been calculated here.
Air line (approximately)
160 kilometers
87 nautical miles