The calculated distance (air line) between Zürich (Kreis 2) / Enge and Vernier is approximately 140 miles respectively 225 kilometers.
By car or train, the actual journey to Vernier is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 2) / Enge and Vernier has been calculated here.
Air line (approximately)
225 kilometers
122 nautical miles