The calculated distance (air line) between Wülflingen (Kreis 6) and Fribourg is approximately 87 miles respectively 140 kilometers.
By car or train, the actual journey to Fribourg is certainly longer, as only the direct route (as the crow flies) between Wülflingen (Kreis 6) and Fribourg has been calculated here.
Air line (approximately)
140 kilometers
76 nautical miles