The calculated distance (air line) between Zürich (Kreis 6) / Unterstrass and Genève is approximately 140 miles respectively 225 kilometers.
By car or train, the actual journey to Genève is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 6) / Unterstrass and Genève has been calculated here.
Air line (approximately)
225 kilometers
122 nautical miles