The calculated distance (air line) between Romont and Zürich (Kreis 11) is approximately 91 miles respectively 146 kilometers.
By car or train, the actual journey to Zürich (Kreis 11) is certainly longer, as only the direct route (as the crow flies) between Romont and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles