The calculated distance (air line) between Zürich (Kreis 12) / Saatlen and Köniz is approximately 64 miles respectively 102 kilometers.
By car or train, the actual journey to Köniz is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 12) / Saatlen and Köniz has been calculated here.
Air line (approximately)
102 kilometers
55 nautical miles