The calculated distance (air line) between Zürich (Kreis 4) / Hard and Lancy is approximately 140 miles respectively 226 kilometers.
By car or train, the actual journey to Lancy is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 4) / Hard and Lancy has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles