The calculated distance (air line) between Bussigny and Zürich (Kreis 9) is approximately 107 miles respectively 173 kilometers.
By car or train, the actual journey to Zürich (Kreis 9) is certainly longer, as only the direct route (as the crow flies) between Bussigny and Zürich (Kreis 9) has been calculated here.
Air line (approximately)
173 kilometers
93 nautical miles