The calculated distance (air line) between Oberwinterthur (Kreis 2) / Guggenbühl and Köniz is approximately 75 miles respectively 121 kilometers.
By car or train, the actual journey to Köniz is certainly longer, as only the direct route (as the crow flies) between Oberwinterthur (Kreis 2) / Guggenbühl and Köniz has been calculated here.
Air line (approximately)
121 kilometers
65 nautical miles