The calculated distance (air line) between Zürich (Kreis 8) / Mühlebach and Sitten is approximately 97 miles respectively 155 kilometers.
By car or train, the actual journey to Sitten is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 8) / Mühlebach and Sitten has been calculated here.
Air line (approximately)
155 kilometers
84 nautical miles