The calculated distance (air line) between Le Mont-sur-Lausanne and Zürich (Kreis 7) is approximately 108 miles respectively 173 kilometers.
By car or train, the actual journey to Zürich (Kreis 7) is certainly longer, as only the direct route (as the crow flies) between Le Mont-sur-Lausanne and Zürich (Kreis 7) has been calculated here.
Air line (approximately)
173 kilometers
94 nautical miles