The calculated distance (air line) between Zermatt and Zürich (Kreis 6) is approximately 102 miles respectively 164 kilometers.
By car or train, the actual journey to Zürich (Kreis 6) is certainly longer, as only the direct route (as the crow flies) between Zermatt and Zürich (Kreis 6) has been calculated here.
Air line (approximately)
164 kilometers
89 nautical miles