The calculated distance (air line) between Le Mont-sur-Lausanne and Zürich (Kreis 10) is approximately 106 miles respectively 170 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 Le Mont-sur-Lausanne and Zürich (Kreis 10) has been calculated here.
Air line (approximately)
170 kilometers
92 nautical miles