The calculated distance (air line) between Zürich (Kreis 12) / Schwamendingen-Mitte and Fribourg is approximately 79 miles respectively 127 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 12) / Schwamendingen-Mitte and Fribourg has been calculated here.
Air line (approximately)
127 kilometers
68 nautical miles