The calculated distance (air line) between Romont and Zürich (Kreis 10) is approximately 89 miles respectively 144 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 Romont and Zürich (Kreis 10) has been calculated here.
Air line (approximately)
144 kilometers
77 nautical miles