The calculated distance (air line) between Thônex and Zürich (Kreis 10) is approximately 138 miles respectively 222 kilometers.
By car or train, the actual journey to Zürich (Kreis 10) is certainly longer, as only the direct route (as the crow flies) between Thônex and Zürich (Kreis 10) has been calculated here.
Air line (approximately)
222 kilometers
120 nautical miles