The calculated distance (air line) between Romont and Zürich (Kreis 7) is approximately 91 miles respectively 147 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 Romont and Zürich (Kreis 7) has been calculated here.
Air line (approximately)
147 kilometers
79 nautical miles