The calculated distance (air line) between Plan-les-Ouates and Zürich (Kreis 9) / Altstetten is approximately 140 miles respectively 226 kilometers.
By car or train, the actual journey to Zürich (Kreis 9) / Altstetten is certainly longer, as only the direct route (as the crow flies) between Plan-les-Ouates and Zürich (Kreis 9) / Altstetten has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles