The calculated distance (air line) between Oberwinterthur (Kreis 2) and Lausanne is approximately 122 miles respectively 196 kilometers.
By car or train, the actual journey to Lausanne is certainly longer, as only the direct route (as the crow flies) between Oberwinterthur (Kreis 2) and Lausanne has been calculated here.
Air line (approximately)
196 kilometers
106 nautical miles