The calculated distance (air line) between Thônex and Zürich (Kreis 9) is approximately 136 miles respectively 219 kilometers.
By car or train, the actual journey to Zürich (Kreis 9) is certainly longer, as only the direct route (as the crow flies) between Thônex and Zürich (Kreis 9) has been calculated here.
Air line (approximately)
219 kilometers
118 nautical miles