The calculated distance (air line) between Le Grand-Saconnex and Zürich (Kreis 7) is approximately 141 miles respectively 226 kilometers.
By car or train, the actual journey to Zürich (Kreis 7) is certainly longer, as only the direct route (as the crow flies) between Le Grand-Saconnex and Zürich (Kreis 7) has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles