The calculated distance (air line) between Zermatt and Zürich (Kreis 3) is approximately 99 miles respectively 160 kilometers.
By car or train, the actual journey to Zürich (Kreis 3) is certainly longer, as only the direct route (as the crow flies) between Zermatt and Zürich (Kreis 3) has been calculated here.
Air line (approximately)
160 kilometers
86 nautical miles