The calculated distance (air line) between Zürich (Kreis 12) / Hirzenbach and Montreux is approximately 104 miles respectively 167 kilometers.
By car or train, the actual journey to Montreux is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 12) / Hirzenbach and Montreux has been calculated here.
Air line (approximately)
167 kilometers
90 nautical miles