The calculated distance (air line) between Genève and Zürich (Kreis 12) is approximately 142 miles respectively 228 kilometers.
By car or train, the actual journey to Zürich (Kreis 12) is certainly longer, as only the direct route (as the crow flies) between Genève and Zürich (Kreis 12) has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles