The calculated distance (air line) between Zürich (Kreis 11) / Oerlikon and Fribourg is approximately 78 miles respectively 125 kilometers.
By car or train, the actual journey to Fribourg is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 11) / Oerlikon and Fribourg has been calculated here.
Air line (approximately)
125 kilometers
67 nautical miles