The calculated distance (air line) between Wallisellen / Wallisellen-Ost and Sitten is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Sitten is certainly longer, as only the direct route (as the crow flies) between Wallisellen / Wallisellen-Ost and Sitten has been calculated here.
Air line (approximately)
162 kilometers
88 nautical miles