The calculated distance (air line) between Zürich (Kreis 6) / Oberstrass and Vernier is approximately 142 miles respectively 228 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 6) / Oberstrass and Vernier has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles